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DescriptionThe SparkFun LP55231 LED Driver Breakout is a self-contained solution for developing and deploying the nine-channel I2C LED controller. Remarkably simple， the breakout is equipped primarily with just the LP55231 LED controller IC， plus thr

DescriptionThe Raspberry Pi Compute Module 3+ Lite contains the guts of a Raspberry Pi 3 Model B+(the BCM2837 processor and 1GB LPDDR2 RAM). This module allows a designer to leverage the Raspberry Pi hardware and software stack in their own custom systems and form factors. In addition this module has extra IO interfaces over and above what is available on the Raspberry Pi model A/B boards， opening up more options for the designer.This is all integrated onto a small(67.6mm×31mm)board that fits into a standard DDR2 SODIMM connector. You get the full flexibility of the BCM2837 SoC(which means that many more GPIOs and interfaces are available than with a standard Raspberry Pi)， and designing the Module into a custom system should be relatively straightforward because all the tricky bits have been put onto the Module itself.The CM3+ Lite product is the same as CM3+ except the eMMC Flash is not fitted， and the SD/eMMC interface pins are available for the user to connect their own SD/eMMC device. Note that the CM3+ is electrically identical and， with the exception of higher CPU z-height， physically identical to the legacy CM3 products.Note：The CM3+ modules require a software/firmware image dated November 2018 or newer to function correctly.FeaturesBroadcom BCM2837B0， Cortex-A53(ARMv8)64-bit SoC @ 1.2GHz1GB LPDDR2 SDRAMOperating Supply Voltage：1.8V， 3.3VMinimum Operating Temperature：-25CMaximum Operating Temperature：+80CHDMI， MIPI， USB， and GPIO interfaces on edge connector

DescriptionThe PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs on three different channels. By default， each channel is driven at 330mA； that current can be reduced by either presenting an analog voltage or a PWM signal to the board. Version 12 of the board adds a solderable jumper that can be closed to increase the maximum current to 660mA. The new voltage regulator also increased the voltage rating on the various components on the board， allowing it to be used up to the full 36V rating of the AL8805 part.Three signal inputs are provided for dimming control. You can use the PWM signal from an Arduino or your favorite microcontroller to dim each channel individually， or you can tie them all to the same PWM for simultaneous dimming. Dimming can be done by an analog voltage(20%-100% of max current by varying voltage from .5V-2.5V)or by PWM(so long as PWM minimum voltage is less than .4V and maximum voltage is more than 2.4V)for a full 0-100% range. A small jumper is provided for each channel to allow you to increase the drive strength from 330mA to 660mA. Two mounting holes for 4-40 or M3 screws are provided on either side of the board. They are perforated so they can be easily snapped off with a pair of pliers， if a smaller footprint is desired.Note：If you're going to use screw terminals， this board uses two different sizes. Check the related products for both sizes you'll need.Note：The PicoBuck LED Driver was made in collaboration with Ethan Zonca. A portion of each sale is given back to him.

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DescriptionIf you do anything with electronics， you're probably already using transistors， but you're probably using them in large， prepackaged clusters of just one type. The SparkFun Discrete Semiconductor Kit addresses your needs of only needing one

DescriptionAdd another eight pins to your microcontroller using a MCP23008 port expander. The MCP23008 uses two I2C pins which can be shared with other I2C devices， and in exchange gives you eight general purpose pins. You can set each of eight pins to be input， output， or input with a pullup. There's even the ability to get an interrupt via an external pin when any of the inputs change so you don't have to keep polling the chip.Use this chip from 2.7-5.5V(good for any 3.3V or 5V setup)， and you can sink/source up to 20mA from any of the I/O pins so this will work for LEDs and such. Team it up with a high-power MOSFET if you need more juice. DIP package means it will plug into any breadboard or perfboard.You can set the I2C address by tying the ADDR0-2 pins to power or ground， for up to eight unique addresses. That means eight chips can share a single I2C bus - that's 64 I/O pins!Features8-bit remote bidirectional I/O portHigh-speed I2C interface(MCP23008)Hardware address pinsConfigurable interrupt output pinConfigurable interrupt sourcePolarity Inversion register for input port data polarity config.External reset inputLow standby current：1 μA(max.)・ Operating voltage：1.8V to 5.5V @ -40℃ to +85℃ I2C @ 100 kHz SPI @ 5 MHz2.7V to 5.5V @ -40℃ to +85℃ I2C @ 400 kHz SPI @ 10 MHz4.5V to 5.5V @ -40℃ to +125℃ I2C @ 1.7 kHz SPI @ 10 MHz

DescriptionThe SparkFun Qwiic LED Stick features ten addressable APA102 LEDs， making it easy to add full color LED control using I2C. Write to individual LEDs to display a count in binary， or write to the whole strip for cool lighting effects. You can even add more LEDs to the end if you need to. We've written an Arduino library and Python package that take care of the I2C and communication to the LEDs so all you have to do is decide what color each LED should be.The LED Stick has a default I2C address of 0x23 but can be changed with a simple command， allowing you to control up to 100 LEDs(10 Qwiic LED Sticks)on a single bus! The address can also be changed to 0x22 by closing the solder jumper on the back of the board.This board is one of our many Qwiic compatible boards! Simply plug and go. No soldering， no figuring out which is SDA or SCL， and no voltage regulation or translation required!Warning：Using a lot of LEDs can draw a lot of current. Make sure to consider the power limits of your setup. If you expect your LED chain to draw more than 600mA of current， connect your external supply directly to VLED. Closing the jumper from VLED to VCC will add a 4.7uF decoupling capacitor.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic LED Stick GuideFeatures10x APA102C addressable LEDs driven by an ATTiny85Default I2C Address：0x23(Adjustable to 0x22 via Jumper)2x Qwiic Connectors

DescriptionKeypads are very handy input devices， but who wants to tie up seven GPIO pins， wire up handful of pull-up resistors， and write firmware that wastes valuable processing time scanning the keys for inputs? The SparkFun Qwiic Keypad comes fully assembled and makes the development process for adding 12 button keypad easy. No voltage translation or figuring out which I2C pin is SDA or SCL， just plug and go! Utilizing our handy Qwiic system， no soldering is required to connect it to the rest of your system. However， we still have broken out 0.1"-spaced pins in case you prefer to use breadboard.Each of the keypad's 12 buttons has been labeled 1， 2， 3， 4， 5， 6， 7， 8， 9， 0， *， and and has been formatted to into the same layout as telephone keypad with each keypress resistance ranging between 10 and 150 Ohms. The Qwiic Keypad reads and stores the last 15 button presses in First-In， First-Out(FIFO)stack， so you don't need to constantly poll the keypad from your microcontroller. This information， then， is accessible through the Qwiic interface. The SparkFun Qwiic Keypad even has software configurable I2C address so you can have multiple I2C devices on the same bus.NOTE：The I2C address of the Qwiic Keypad is 0x4B and is jumper selectable to 0x4A(software-configurable to any address). multiplexer/Mux is required to communicate to multiple Qwiic Keypad sensors on single bus. If you need to use more than one Qwiic Keypad sensor consider using the Qwiic Mux Breakout.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic Keypad Hookup GuideFeaturesSoftware Selectable Slave AddressLow Power ATtiny85 controllerButton Presses w/ Time StampDefault I2C Address：0x4B2x Qwiic Connector

DescriptionWe all like to know the temperature， right? Well， with the SparkFun TMP102 Digital Temperature Sensor， we've made it just about as easy as it gets. Based on the original Digital Temperature Sensor Breakout TMP102， we've added Qwiic connectors to bring this board into our plug-and-play Qwiic Ecosystem and added an address jumper instead of breaking out the address pin. However， we still have broken out 0.1"-spaced pins in case you prefer to use breadboard.The TMP102 itself is an easy-to-use digital temperature sensor from Texas Instruments. While some temperature sensors use an analog voltage to represent the temperature， the TMP102 uses the I2C bus of the Arduino to communicate the temperature.The TMP102 is capable of reading temperatures to resolution of 0.0625℃， and is accurate up to 0.5℃. The breakout has built-in 4.7kΩ pull-up resistors for I2C communications and runs from 1.4V to 3.6V. I2C communication uses an open drain signaling， so there is no need to use level shifting.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic TMP102 Digital Temperature Sensor GuideFeaturesUses the I2C interfaceI2C Address：0x48 by default(Three additional addresses available， as well)12-bit， 0.0625℃ resolutionTypical temperature accuracy of ±0.5℃3.3V sensorSupports up to four TMP102 sensors on the I2C bus at time2x Qwiic Connectors

DescriptionButtons are an easy and tactile way to interface with your project， but why would you want to deal with debouncing， polling， and wiring up pull-up resistors? The Qwiic Button with built-in green LED simplifies all of those nasty worries away into an easy to use I2C device! Utilizing our Qwiic Connect System， using the button is as simple as connecting cable and loading up some pre-written code!If you need multiple buttons for your project， fear not! Each button has configurable I2C address， so you can daisy-chain multiple buttons over Qwiic and still address each one individually. We've got an example in our Arduino library that provides super-easy way to configure your Qwiic Button to whatever I2C address you desire. You can download the library through the Arduino library manager by searching 'SparkFun Qwiic Button' or you can get the GitHub repo as .zip file and install the library from there.In addition to handling blinking and debouncing， the Qwiic Button has configurable interrupts that can be configured to activate upon button press or click. We've also taken the liberty of implementing FIFO queue onboard the Qwiic Button where it keeps an internal record of when the button was pressed. This means that code on your microcontroller need not waste valuable processing time checking the status of the button but instead can run small function whenever the button is pressed or clicked! For more information on interrupts check out our guide here!The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic Button GuideFeatures12mm Green LED Button rated for 50mABuilt in LED can be configured for your desired level of blinkiness!Each button has configurable I2C addressConfigurable interrupts check out our guide here!FIFO queueDon't like the color green? Check out the SparkFun Qwiic Button Breakout and add another colored button!Red LED Tactile ButtonBlue LED Tactile ButtonGreen LED Tactile ButtonWhite LED Tactile Button

DescriptionA lot of the time you just need to add more analog inputs to solve a problem. It happens. The SparkFun Qwiic 12 Bit ADC can provide four channels of I2C controlled ADC input to your Qwiic enabled project. These channels can be used as single-ended inputs， or in pairs for differential inputs. What makes this even more powerful is that it has a programmable gain amplifier that lets you "zoom in" on a very small change in analog voltage(but will still effect your input range and resolution). Utilizing our handy Qwiic system， no soldering is required to connect it to the rest of your system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.The ADS1015 uses its own internal voltage reference for measurements， but a ground and 3.3V reference are also available on the pin outs for users. This ADC board includes screw pin terminals on the four channels of input， allowing for solderless connection to voltage sources in your setup. It also has an address jumper that lets you choose one of four unique addresses(0x48， 0x49， 0x4A， 0x4B). With this， you can connect up to four of these on the same I2C bus and have sixteen channels of ADC. The maximum resolution of the converter is 12-bits in differential mode and 11-bits for single-ended inputs. Step sizes range from 125μV per count to 3mV per count depending on the full-scale range(FSR)setting.We have included an onboard 10K trimpot connected to channel A3. This is handy for initial setup testing and can be used as a simple variable input to your project. But don't worry， we added an isolation jumper so you can use channel A3 however you'd like.Note：The I2C address of the ADS1015 is 0x48 and is jumper selectable to 0x49， 0x4A， 0x4B. A multiplexer/Mux is required to communicate to multiple ADS1015 sensors on a single bus. If you need to use more than one ADS1015 sensor consider using the Qwiic Mux Breakout.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic 12-Bit ADC Hookup GuideFeaturesADS1015Operating Voltage(VDD)：2.0V-5.5V(Note：When powering with a Qwiic cable， the input range is only 3.3v)Operating Temperature：-40℃ to 125℃Operation Modes：Single-Shot， Continuous-Conversion(Default)， and Duty CyclingAnalog Inputs：Measurement Type：Single-Ended(Default)Input Voltage Range：GND to VDDFull Scale Range(FSR)：±.256V to ±6.114V(Default：2.048V)Resolution：12-bit(Differential)or 11-bit(Single-Ended)LSB size：0.125mV - 3mV(Default：1 mV)Sample Rate：128 Hz to 3.3 kHz(Default：1600SPS)Current Consumption(Typical)：150μA-200μAI2C Address：0x48(Default)， 0x49， 0x4A， or 0x4BScrew pin terminals for solderless connection to voltage sourcesFour unique I2C addresses：0x480x490x4A0x4B2x Qwiic connection portsOnboard 10K trimpot

DescriptionWe are quite familiar with seven-segment displays. We see them on our alarm clocks， ovens， and microwaves. By adding more segments to each digit you can display more than just numbers! Introducing the brand new SparkFun Qwiic Alphanumeric Display. These white fourteen-segment digits allow you display all sorts of numbers， characters， and symbols. With Qwiic， simply plug it in and go. No soldering， no figuring out which is SDA or SCL， and no voltage regulation or translation required!The SparkFun Alphanumeric Display Arduino library makes printing strings to the display as easy as calling the print()function. With this library， you'll be able to send I2C commands to the VK16K33 LED driver chip to light up segments(including the decimal point or colon)and even scroll your string across the display. You can download the library through the Arduino library manager by searching 'SparkFun Alphanumeric Display' or you can get the GitHub repo as a .zip file and install the library from there.The VK16K33 also supports I2C address configuration. Simply close a combination of the address jumpers on the back and you can communicate with up to four displays on the same bus. Our slim board design also features detachable stand off holes， vertical Qwiic connectors， and internal mounting holes.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic Alphanumeric Display Hookup GuideFeaturesWhite displayOperating Voltage：3.3VIntegrated RC oscillatorMaximum display segment numbers：128 patterns13×3 matrix key scan circuit16-step dimming circuitI2C Addresses：0x70(0x71， 0x72， 0x73)2x Qwiic connectors2x Wall Mounting Points

DescriptionThe SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality(SGP40)， humidity temperature(SHTC3)， and CO2 concentrations(STC31)in your indoor environment. To make it even easier to use， all communication is over the MicroMod's I2C bus!The SGP40 measures the quality of the air in your room or house. The SGP40 uses a metal oxide(MOx)sensor with a temperature controlled micro hotplate and provides a humidity-compensated volatile organic compound(VOC)based indoor air quality signal. Both the sensing element and VOC Algorithm feature an unmatched robustness against contaminating gases present in real world applications enabling a unique long term stability as well as low drift and device to device variation.The SHTC3 is a highly accurate digital humidity and temperature sensor. The SHTC3 uses a capacitive humidity sensor with a relative humidity measurement range of 0 to 100% RH and bandgap temperature sensor with a temperature measurement range of -40℃ to 125℃. The SHTC3 builds on the success of their SHTC1 sensor with higher accuracy(±2% RH， ±0.2℃)than its predecessor， enabling greater flexibility.The STC31 measures CO2 concentrations based on thermal conductivity and has two CO2 measurement ranges：0 to 25 vol%； and 0 to 100 vol%. The measurement repeatability is 0.2 vol%， with a stability of 0.025 vol% / ℃. The measurement accuracy depends on the measurement range：0.5 vol% + 3% measured value； 1 vol% + 3% measured value. Using measurements from the SHTC3， the STC31 is able to provide humidity-compensated measurements together with improved temperature compensation. The STC31 can compensate for atmospheric pressure too - which is handy if， like us， you're up in the mountains!The outstanding performance of these three sensors is based on Sensirion's patented CMOSens(R)technology， which combines the sensor element， signal processing， and digital calibration on a small CMOS chip. The well-proven CMOS technology is perfectly suited for high-quality mass production and is the ideal choice for demanding and cost-sensitive OEM applications.Utilizing our handy M.2 MicroMod connector， no soldering is required to connect it to your system. Simply match up the key on your processor and function board's beveled edge connector to their respective key on the M.2 connector， then secure them to the main board with screws. The MicroMod Environmental Function Board can then be read via the I2C port. The board is equipped with the AP2112 3.3V voltage regulator， I2C pull-up resistors， power LED， jumper to disable the LED， and jumpers for alternative STC31 addresses.Note：A MicroMod Processor and Main Board are not included with this MicroMod Environmental Function Board. These boards will need to be purchased separately.MicroMod is a modular interface ecosystem that connects a microcontroller "processor board" to various "carrier board" peripherals. Utilizing the M.2 standard， the MicroMod standard is designed to easily swap out processors and function boards on the fly. Pair a specialized carrier board for the project you need with your choice of compatible processor!Get Started with the MicroMod Environmental Function BoardFeaturesInput voltage range2.5V to 6.0VTyp.5Vvia Main Board's USB connectorTyp.～3.7V to 4.2Vvia Main Board's LiPo battery ConnectorI/O voltage3.3VAP2112 3.3V voltage regulator(rated 600mA)Power LEDI2C pull-up resistorsSensirion SGP40 Air Quality SensorUses I2C interfaceAddress：0x59(default)Operating voltage range1.7V to 3.6V(Typ.3.3V)Operating temperature range-20℃ to +55℃Typical current consumption2.6mAduring continuous operation(at 3.3V)34μAwhen idle(heater off)Output signalDigital raw value(SRAW)：0 - 65535 ticksDigital processed value(VOC Index)：0 - 500 VOC index pointsSwitch-on behaviorTime until reliably detecting VOC events：<60sTime until specifications are met：<1hRecommended sampling intervalVOC Index：1sSRAW：0.5s - 10s(Typ. 1s)Sensirion SHTC3 Humidity and Temperature SensorUses I2C interfaceAddress：0x70(default， non-configurable)Operating voltage range1.62V - 3.6V(Typ.3.3V)Operating temperature range-40℃ to +125 ℃Relative HumidityMeasurement range：0% to 100%Typical accuracy：±2 %RHResolution：0.01 %RHTemperatureMeasurement range：-40℃ to +125 ℃Typical accuracy：±0.2 ℃Resolution：0.01 ℃Typical current consumption(varies based on mode)4.9μA to 430μA(Normal Mode)0.5μA to 270μA(Low Power Mode)Allows the STC31 to compensate for humidity and temperatureSensirion STC31 CO2 SensorUses I2C interfaceAddresses：0x29(default)， 0x2A， 0x2B， 0x2COperating voltage range2.7V to 5.5V(Typ.3.3V)Operating temperature range-20 ℃ to +85 ℃Calibrated for CO2 in N2 and CO2 in airMeasurement ranges0 to 25 vol% in N20 to 100 vol% in airAccuracy0.5 vol% + 3% measured value in N21 vol% + 3% measured value in airConcentration and temperature resolution：16-bitRepeatability：0.2 vol%Temperature stability：0.025 vol% / ℃Start-up time：14 msThermal conductivity sensor provides calibrated gas concentration and temperature outputJumpersPWR LEDI2C pull-up resistorsSTC31 address selectionNote：The I2C addresses that are reserved for each sensor is 0x59(SGP40)， 0x70(SHTC3)， 0x29(STC31). A multiplexer/Mux is required to communicate to multiple SHTC3 sensors on a single bus. The SHTC3 uses the same address as the Qwiic Mux(0x70). For advanced users that are using multiple SHTC3's with the Qwiic Mux， you will need to adjust the Qwiic Mux's default address.

DescriptionThe SparkFun Qwiic Motor Driver takes all the great features of the Serial Controlled Motor Driver(SCMD)and miniaturizes them， adding Qwiic ports for plug and play functionality. Boasting the same 4245 PSOC and 2-channel motor ports as the SCMD， the SparkFun Qwiic Motor Driver is designed to communicate over I2C to make setting up your next robotic project as fast and easy as possible! Utilizing our handy Qwiic system and screw terminals for motor and power hook-up， no soldering is required to connect it to the rest of your system.With 1.2A steady state drive per channel(1.5A peak)and 127 levels of DC drive strength， this little Qwiic board is perfect for your small DC motor driver needs. Since the Qwiic Motor Driver is a 3.3V logic device， you'll need to use a logic level converter to interface to 5V.The I2C address of the Qwiic Motor Driver is 0x5D and is jumper selectable to 0x58， 0x59， 0x5A， 0x5B， ... 0x63.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Need a custom board? This component can be found in SparkFun's A La Carte board builder. You can have a custom design fabricated with this component - and your choice of hundreds of other sensors， actuators and wireless devices - delivered to you in just a few weeks.Get Started With the Qwiic Motor Driver Hookup GuideFeatures1.5 A peak drive per channel， 1.2 A steady stateOperates from 3 to 11 Volts with 12V absolute max3.3V default VCC and logic127 levels of DC drive strength.Controllable by I2C or TTL UART signalsDirection inversion on a per motor basisGlobal Drive enableExposed small heat sink shapeSeveral I2C addresses， default UART bauds availableAdjustable I2C Address：0x5D Default2x Qwiic ConnectorsDocumentsSchematicEagle FilesBoard DimensionsHookup GuideArduino LibraryPython ModuleGithub Hardware Repo

DescriptionThe MCP9600 Breakout is a high accuracy Thermocouple Amplifier equipped with an I2C interface， accessed over our Qwiic system. Inside the chip are two temperature sensors， one for the thermocouple itself(the hot junction)and one for the chip itself(the cold junction). As a result， the MCP9600 can read both the ambient temperature and the temperature of whatever you're trying to measure! The MCP9600 can do both with a resolution of 0.0625℃， and an accuracy of ±1.5℃(worst-case). The MCP9600 Thermocouple Amplifier is one of our many Qwiic compatible boards! Simply plug and go. No soldering， no figuring out which is SDA or SCL， and no voltage regulation or translation required!This version of the board comes equipped with screw terminals to allow for your own Thermocouple's wiring to be hooked up with the turn of a screw. This makes it perfect for a variety of applications， from measuring the temperature of your Crock-Pot to making sure your backyard induction furnace is up to temperature.In addition， the MCP9600 has four on-board temperature alerts that you can configure! Instead of constantly polling the sensor over I2C， you can set a temperature limit to trigger an interrupt when the temperature reaches a certain value. This frees up your microcontroller and your I2C bus to do more important things. It's also possible to put the MCP9600 into alternate operation modes in order to save power. The sensor supports a burst mode， where it will take a specified number of samples， return the results， and then go to sleep. This low-power mode makes the MCP9600 perfect for portable applications!We've written an Arduino library to help you get started quickly. You can download the library through the Arduino library manager by searching 'SparkFun MCP9600' or you can get the GitHub repo as a .zip file and install the library from there.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic Thermocouple AmplifierFeaturesTemperature Range of -200℃ to 1350℃Four Onboard Temperature AlertsResolution of 0.0625℃Screw Terminal ConnectorADDR Jumper for variable I2C Addresses(default address of 0x60)2x Qwiic Connectors

DescriptionProduct Restrictions：To access certain features of the ATECC608A， users will need to contact Microchip and sign an NDA contract to obtain the complete datasheet. Due to the required NDA - technical support， an Arduino library， and hookup guide are not provided for users on this product.The SparkFun ATECC608A Cryptographic Co-processor Breakout allows you to add strong security to your IoT node， edge device， or embedded system. This includesasymmetricauthentication，symmetricAES-128 encryption/decryption， and much more. As stated above， the ATECC608A has limited Arduino support and the complete datasheet is under NDA with Microchip.This breakout board includes two Qwiic ports for plug and play functionality. Utilizing our handy Qwiic system， no soldering is required to connect it to the rest of your system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard. The ATECC608A chip is capable of many cryptographic processes， including， but not limited to：Creating and securely storing unique asymmetric key pairs based on Elliptic Curve Cryptography(FIPS186-3).AES-128：Encrypt/Decrypt， Galois Field Multiply for GCMCreating and verifying 64-byte digital signatures(from 32-bytes of message data).Creating a shared secret key on a public channel via Elliptic Curve Diffie-Hellman Algorithm.SHA-256 HMAC Hash including off-chip context save/restoreInternal high quality FIPS random number generator.Embedded in the chip is a 10Kb EEPROM array that can be used for storing keys， certificates， data， consumption logging， and security configurations. Access to the sections of memory can then be restricted and the configuration locked to prevent changes. Each ATECC608A Breakout ships with a guaranteed unique 72-bit serial number and includes several security features to prevent physical attacks on the device itself， or logical attacks on the data transmitted between the device.A summary datasheet for the ATECC608A is available here. The full datasheet is under NDA with Microchip. You will need to contact them for access to the entire datasheet. Meanwhile， the ArduinoATECCX08 Library currently only supports the ATECC608A with SAMD21 Arduino boards.We do have much more support for the ATECC508A version of this chip. Please check out our ATECC508A Hookup Guide and Arduino Library(which includes six examples). This will get you familiar with the basics of elliptic curve cryptography and signing/verifying data with the ATECC508A version of the chip.Note：The I2C address of the ATECC608A is 0x60 and is software-configurable to any address. A multiplexer/Mux is required to communicate to multiple ATECC608A sensors at the default address when on a single bus. If you need to use more than one ATECC608A sensor at the default address， consider using the Qwiic Mux Breakout.Note：The ATECC608A can be only configured once before it isPERMANENTLYlocked. It is advisable that users purchase multiple boards in order to use other configurations and explore the advanced functions of the ATECC608A.Additionally， this boardIScapable of encrypting and decrypting data. However， to access these additional features， you will need to contact Microchip and sign an NDA contract to obtain the complete datasheet.It is recommended that an SparkFun RedBoard Turbo - SAMD21 Development Board is used with this product due to the buffer size required on the I2C bus.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.FeaturesOperating Voltage：2.0V-5.5V(Default on Qwiic System：3.3V)Active Current Draw(for ATECC608A)：16 mASleep Current(for ATECC608A)：<150 nAGuaranteed Unique 72-bit Serial Number10 Kb EEPROM Memory for Keys， Certificates， and DataStorage for up to 16 Keys256-bit Key LengthInternal High-Quality FIPS Random Number Generator(RNG)Configurable I2C Address(7-bit)：0x60(Default)

DescriptionDo you want to replace a slider or a button on your art project or science experiment with a more interesting interface? This Capacitive Touch Slider is a "Qwiic" and easy way to add capacitive touch to your next project. With the board's built in touch pads， you can immediately start playing with the touch capabilities as three unique touch inputs or as a slider. You can also enable a touch input to act as a power button， customize the sensitivity for your own touch pads， and play with the interrupt alert LED. Utilizing our Qwiic system， no soldering is required to connect it to the rest of your system. However， we have broken out 0.1"-spaced pins in case you prefer to use a breadboard or create your own touch pads.On the front of the board， there is an arrow shape which contains three separate capacitive touch pads. We also broke out the capacitive touch sensor lines as plated through-holes on the top of the board. You can use these pins to connect to your own capacitive touch pads. The CS1 pin connects to the left pad， the CS2 pin connects to the middle pad， and the CS3 pin connects to the right pad.NOTE：The I2C address of the CAP1203 is 0x28 and is hardware defined. A multiplexer/Mux is required to communicate to multiple CAP1203 sensors on a single bus. If you need to use more than one CAP1203 sensor consider using the Qwiic Mux Breakout.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Capacitive Touch Slider GuideFeaturesCapacitive Touch3 unique capacitive touch inputsFeaturesEmulated sliderPower button settingProgrammable sensitivityAutomatic recalibrationI2C Address：0x28Qwiic EnabledOperating RangeSupply Voltage：3.3V - 5V

DescriptionThe SparkFun Thing Plus - RP2040 is a low-cost， high performance board with flexible digital interfaces featuring the Raspberry Pi Foundation's RP2040 microcontroller. Besides the Thing Plus orFeatherfootprint(with 18 GPIO pins)， the board also includes an SD card slot， 16MB(128Mbit)flash memory， a JST single cell battery connector(with a charging circuit and fuel gauge sensor)， an addressable WS2812 RGB LED， JTAG PTH pins， four(4-40 screw)mounting holes， and our signature Qwiic connector.The RP2040 contains two ARM Cortex-M0+ processors(up to 133MHz)and features：264kB of embedded SRAM in six banks6 dedicated IO for SPI Flash(supporting XIP)30 multifunction GPIO：Dedicated hardware for commonly used peripheralsProgrammable IO for extended peripheral supportFour 12-bit ADC channels with internal temperature sensor(up to 0.5 MSa/s)USB 1.1 Host/Device functionalityThe RP2040 is supported with both C/C++ and MicroPython cross-platform development environments， including easy access to runtime debugging. It has UF2 boot and floating-point routines baked into the chip. While the chip has a large amount of internal RAM， the board includes an additional 16MB of external QSPI flash memory to store program code.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started With the Thing Plus RP2040 Hookup GuideFeaturesSparkFun Thing Plus - RP2040 FeaturesRaspberry Pi Foundation's RP2040 microcontroller16MB QSPI Flash MemoryJTAG PTH PinsThing Plus(or Feather)Form-Factor：18[1]x Multifunctional GPIO Pins[2]Four available 12-bit ADC channels with internal temperature sensor(500kSa/s)Up to eight 2-channel PWMUp to two UARTsUp to two I2C busesUp to two SPI busesUSB-C Connector：USB 1.1 Host/Device functionality2-pin JST Connector for a LiPo Battery(not included)500mA charging circuitQwiic ConnectorButtons：BootResetLEDs：PWR- Red 3.3V power indicatorCHG- Yellow battery charging indicator25- Blue status/test LED(GPIO 25)WS2812- Addressable RGB LED(GPIO 08)Four Mounting Holes：4-40 screw compatibleDimensions：2.3"×0.9"RP2040 General FeaturesDual Cortex M0+ processors， up to 133 MHz264 kB of embedded SRAM in 6 banks6 dedicated IO for QSPI flash， supporting execute in place(XIP)30 programmable IO for extended peripheral supportSWD interfaceTimer with 4 alarmsReal time counter(RTC)USB 1.1 Host/Device functionalitySupported programming languagesMicroPythonC/C++1.Note：GPIO 08is not included in this count， as it passes through the WS2812 addressable RGB LED first.GPIO 07andGPIO 23are counted as a single GPIO because they are tied together.2.Note：The GPIO pins are programmable so you can reconfigure the pins! Check out the RP2040 datasheet for more information on the GPIO functionality.

DescriptionIt's time to say hip hip array for this IR Breakout! The MLX90640 SparkFun IR Array Breakout is equipped with a 32x24 array of thermopile sensors creating， in essence， a low resolution thermal imaging camera. With this breakout you can detect surface temperatures from many feet away with an accuracy of ±1.5℃(best case). To make it even easier to get your low-resolution infrared image， all communication is enacted exclusively via I2C， utilizing our handy Qwiic system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.This specific IR Array Breakout features a 110°x75° field of view with a temperature measurement range of -40℃-300℃. The MLX90640 IR Array has pull up resistors attached to the I2C bus； both can be removed by cutting the traces on the corresponding jumpers on the back of the board. Please be aware that the MLX90640 requires complex calculations by the host platform so a regular Arduino Uno(or equivalent)doesn't have enough RAM or flash to complete the complex computations required to turn the raw pixel data into temperature data. You will need a microcontroller with 20，000 bytes or more of RAM. To achieve this， we recommend a Teensy 3.1 or above.Note：The I2C address of the MLX90640 is 0x33 and is hardware defined. A multiplexer/Mux is required to communicate to multiple MLX90640 sensors on a single bus. If you need to use more than one MLX90640 sensor consider using the Qwiic Mux Breakout.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun IR Array Breakout GuideFeaturesOperating Voltage：3V-3.6VCurrent Consumption：～18mAField of View：110°x75°Measurement Range：-40℃-300℃Resolution：±1.5℃Refresh Rate：0.5Hz-64HzI2C Address：0x332x Qwiic Connection Ports

DescriptionThe SparkFun Qwiic Dual Solid State Relay is a power delivery board that allows users to switch two AC loads from a low power microcontroller using the SparkFun Qwiic connect system. The board features two 25A/250VAC solid state relays that utilize the Zero Cross Trigger method so you can toggle two loads on a 60Hz AC carrier signal on and off up to 120 times per second!An ATTiny84 acts as the "brain" of the SparkFun Qwiic Dual Solid Relay to accept I2C commands to toggle the two relays as well as a few other special commands. The I2C address of the ATtiny84A is software configurable so， if you have a seriously big power project in mind， you could daisy chain over 100 Qwiic Dual Solid State Relays.Messing with such high voltage is dangerous! We've included many safety precautions onto the PCB including ground isolation between the relay and other circuitry and a milled out area isolating each side of AC. However， with all the safety precautions included with the SparkFun Qwiic Dual Solid State Relay， this is still a power accessory for users who are experienced around， and knowledgeable about high AC voltage. If you're not comfortable with handling AC voltage in this way， you may want to check out the IoT Power Relay instead.Note：The relays are rated for a max of 25A with forced air cooling. If you do not have forced air cooling， 10A max through the relays is recommended.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic Dual Solid State Relay GuideFeaturesOperating Voltage：2.5-3.6V(3.3V recommended)I2C Address：0x0A(Default)0x0B(Alternate via jumper select)Load Voltage Range：12-280VACMax Current(Through Relay)：25A(240VAC with forced air cooling)Zero Cross TriggerNormally Open Circuit Only2x Qwiic Connector

DescriptionThe SparkFun Alphanumeric Display Arduino library makes printing strings to the display as easy as calling the print()function. With this library， you'll be able to send I2C commands to the VK16K33 LED driver chip to light up segments(including the decimal point or colon)and even scroll your string across the display. You can download the library through the Arduino library manager by searching 'SparkFun Alphanumeric Display' or you can get the GitHub repo as a .zip file and install the library from there.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic Alphanumeric Display Hookup GuideFeaturesOperating Voltage：3.3VIntegrated RC oscillatorMaximum display segment numbers：128 patterns13×3 matrix key scan circuit16-step dimming circuitI2C Addresses：0x70(0x71， 0x72， 0x73)2x Qwiic connectors2x Wall Mounting Points

DescriptionThe SparkFun Alphanumeric Display Arduino library makes printing strings to the display as easy as calling the print()function. With this library， you'll be able to send I2C commands to the VK16K33 LED driver chip to light up segments(including the decimal point or colon)and even scroll your string across the display. You can download the library through the Arduino library manager by searching 'SparkFun Alphanumeric Display' or you can get the GitHub repo as a .zip file and install the library from there.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic Alphanumeric Display Hookup GuideFeaturesOperating Voltage：3.3VIntegrated RC oscillatorMaximum display segment numbers：128 patterns13×3 matrix key scan circuit16-step dimming circuitI2C Addresses：0x70(0x71， 0x72， 0x73)2x Qwiic connectors2x Wall Mounting Points

DescriptionThe SparkFun Alphanumeric Display Arduino library makes printing strings to the display as easy as calling the print()function. With this library， you'll be able to send I2C commands to the VK16K33 LED driver chip to light up segments(including the decimal point or colon)and even scroll your string across the display. You can download the library through the Arduino library manager by searching 'SparkFun Alphanumeric Display' or you can get the GitHub repo as a .zip file and install the library from there.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic Alphanumeric Display Hookup GuideFeaturesOperating Voltage：3.3VIntegrated RC oscillatorMaximum display segment numbers：128 patterns13×3 matrix key scan circuit16-step dimming circuitI2C Addresses：0x70(0x71， 0x72， 0x73)2x Qwiic connectors2x Wall Mounting Points

DescriptionThe SparkFun Alphanumeric Display Arduino library makes printing strings to the display as easy as calling the print()function. With this library， you'll be able to send I2C commands to the VK16K33 LED driver chip to light up segments(including the decimal point or colon)and even scroll your string across the display. You can download the library through the Arduino library manager by searching 'SparkFun Alphanumeric Display' or you can get the GitHub repo as a .zip file and install the library from there.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic Alphanumeric Display Hookup GuideFeaturesOperating Voltage：3.3VIntegrated RC oscillatorMaximum display segment numbers：128 patterns13×3 matrix key scan circuit16-step dimming circuitI2C Addresses：0x70(0x71， 0x72， 0x73)2x Qwiic connectors2x Wall Mounting Points

DescriptionGet with the times， already! This SparkFun Real Time Clock(RTC)Module is a Qwiic-enabled breakout board for the RV-1805 chipset. The RTC is ultra-low power(running at only about 22nA in its lowest power setting)so it can use a supercapacitor for backup power instead of a normal battery. This means you get plenty of charge and discharge cycles without any degradation to the "battery." To make it even easier to get your readings， all communication is enacted exclusively via I2C， utilizing our handy Qwiic system so no soldering is required to connect it to the rest of your system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.This RTC module's built in RV-1805 has not one， but two internal oscillators：a 32.768kHz tuning fork crystal and a low power RC based oscillator and can automatically switch between the two using the more precise crystal to correct the RC oscillator every few minutes. This feature allows the module to maintain a very accurate date and time with the worst case being +/- about three minutes over a year. The RV-1805 also has a built in trickle charger so as soon as the RTC is connected to power the it will be fully charged in under 10 minutes and has the ability to switch power to other systems allowing it to directly turn on or off a power hungry device such as a microcontroller or RF engine.There is also the option to add a battery to the board if the supercapacitor just isn't going keep your project powered long enough(keep in mind， the supercap can hypothetically make the board keep time for around 35 days)， you can solder on an external battery. That means you can let board sit with no power or connection to the outside world and the current hour/minute/second/date will be maintained.Note：The I2C address of the RV-1805 is 0x69 and is hardware defined. A multiplexer/Mux is required to communicate to multiple RV-1805 sensors on a single bus. If you need to use more than one RV-1805 sensor consider using the Qwiic Mux Breakout.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the RV-1805 Real Time Clock Module GuideFeaturesOperating Voltage(Startup)：1.6V - 3.6VOperating Voltage(Timekeeping)：1.5V - 3.6VOperating Temperature：-40℃ - 85℃Time Accuracy：±2.0 ppmCurrent Consumption：22nA(Typ.)I2C Address：0xD2Supercapacitor for Backup Power2x Internal Oscillators2x Qwiic Connectors

DescriptionThe SparkFun 9DoF IMU Breakout incorporates all the amazing features of Invensense's ICM-20948 into a Qwiic-enabled breakout board complete with a logic shifter and broken out GPIO pins for all your motion sensing needs. The ICM-20948 itself is an extremely low powered， I2C and SPI enabled 9-axis motion tracking device that is ideally suited for smartphones， tablets， wearable sensors， and IoT applications. Utilizing our handy Qwiic system， no soldering is required to connect it to the rest of your system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.In addition to the 3-Axis Gyroscope with four selectable ranges， 3-Axis Accelerometer， again with four selectable ranges， and 3-axis magnetometer with an FSR to ±4900μT， the ICM-20948 also includes a Digital Motion Processor that offloads the computation of motion sensing algorithms from the detectors， allowing optimal performance of the sensors. We've also broken out all the ICM-20948 pin functionality to GPIO and labeled them I2C on the front， SPI on the back for ease of identification.Note：The I2C address of the ICM-20948 is 0x69 and is jumper selectable to 0x68. A multiplexer/Mux is required to communicate to multiple ICM-20948 sensors on a single bus. If you need to use more than one ICM-20948 sensor consider using the Qwiic Mux Breakout.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Need a custom board? This component can be found in SparkFun's A La Carte board builder. You can have a custom design fabricated with this component - and your choice of hundreds of other sensors， actuators and wireless devices - delivered to you in just a few weeks.Get Started with the SparkFun ICM-20948 9DoF IMU GuideFeatures1.95 V to 3.6 V supply voltageTriple-axis MEMS gyroscope with user-programmable full-scale range of ±250 dps， ±500 dps， ±1000 dps， and ±2000 dpsTriple-axis MEMS accelerometer with programmable full scale range of ±2g， ±4g， ±8g， and ±16gTriple-axis silicon monolithic Hall-effect magnetic sensor with full scale measurement range to ±4900 μTI2C at up to 100 kHz(standard-mode)or up to 400 kHz(fast-mode)or SPI at up to 7 MHz for communicationwith registersOn-board digital motion processor(DMP)Digital-output temperature sensor2x Qwiic Connection PortsI2C Address：0x69(0x68 with Jumper)DocumentsSchematicEagle FilesHookup GuideDatasheet(ICM-20948)Arduino LibraryPython Support(Qwiic_Py)GitHub Hardware Repo

DescriptionThe SparkFun Qwiic HAT for Raspberry Pi is the quickest and easiest way to enter into SparkFun's Qwiic ecosystem while still using that Raspberry Pi that you've come to know and love. The Qwiic HAT connects the I2C bus(GND， 3.3V， SDA and SCL)on your Raspberry Pi to an array of Qwiic connectors on the HAT. Since the Qwiic system allows for daisy chaining boards with different addresses， you can stack as many sensors as you'd like to create a tower of sensing power!The Qwiic Pi HAT has four Qwiic connect ports， all on the same I2C bus. In addition， many of the useful GPIO pins on the Raspberry Pi are broken out. This HAT is compatible with any Raspberry Pi that utilizes the standard 2x20 GPIO header. It has been designed to sit to the side of the Pi， allowing it to work conveniently with a Pi Tin enclosure to connect boards to the Qwiic ports.Note：There is a small silk error that has reversed the SDA and SCL. This is simply a cosmetic mix-up and will not impact any function with this board.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic Pi HAT GuideFeatures4x Qwiic Connection PortsSelect GPIO Pins Broken OutPi Tin Compatibility

DescriptionNeed to keep track of the airflow in your data center or around your servers? How about making sure your HVAC and air control systems are functioning at full capacity? Well， the new SparkFun FS3000-1005 Air Velocity Sensor Breakout can help you with all that and more! It's super easy and super quick(Qwiic!)to hook up.This breakout board is focused around Renesas' FS3000-1005， a surface-mount air velocity module with a range of 0-7.2m/s(0-16.2mph). It utilizes a MEMS thermopile-based sensor， features a digital output with 12-bit resolution and comprises a "solid" thermal isolation technology and silicon carbide coating to protect it from abrasive wear and water condensation.We've written an Arduino library to help you get started quickly. You can download the library through the Arduino library manager by searching 'SparkFun Air Velocity' or you can get the GitHub repo as a .zip file and install the library from there.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the Qwiic Air Velocity Sensor BreakoutFeaturesI2C address：0x28Air flow speed：0 - 7.23 m/sec(0 - 16.17mph)Accuracy：5 % of full scale flow range12-bit resolutionInput Voltage：2.7-3.3VAverage current draw：10mA

DescriptionThe SparkFun Qwiic Shield for Teensy provides you with a quick and easy way to enter into SparkFun's Qwiic ecosystem with your Teensy boards. This shield is sized to work with the footprint of Teensy 4.0， Teensy 3.2， and Teensy LC. This shield connects the I2C bus(GND， 3.3V， SDA， and SCL)on your Teensy to four SparkFun Qwiic connectors(two horizontally and two vertically mounted). The Qwiic ecosystem allows for easy daisy chaining so， as long as your devices are on different addresses， you can connect as many Qwiic devices as you'd like.We have also added a "PROG" button on this shield that is electrically parallel with the "PROG" button on the Teensy Boards so you can choose to enter Programming mode using either the button on your Teensy or the button on the shield.The Qwiic Shield for Teensy comes with the Teensy Header Kit and you will need to solder the headers to the shield and， if necessary， to your Teensy board. Take care to match the markings on the Qwiic Shield to the appropriate pins on your Teensy to avoid possibly damaging your boards.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic Shield for Teensy Hookup GuideFeaturesTeensy 4.0， 3.2， or LC Footprint Compatible4x Qwiic Connection Ports"PROG" Button w/ satisfying tactile feedbackI2C Jumper3.3V and GND Buses

DescriptionThe SparkFun OpenScale is a simple-to-use， open source solution for measuring weight and temperature. It has the ability to read multiple types of load cells and offers a simple-to-use serial menu to configure calibration value， sample rate， time stamp and units of precision.Simply attach a four-wire or five-wire load cell of any capacity， plug the OpenScale into a USB port， open a terminal window at 9，600bps， and you'll immediately see mass readings. The SparkFun OpenScale will enable you to turn a load cell or four load sensors in a Wheatstone bridge configuration into the DIY weigh scale for your application.The OpenScale was designed for projects and applications where the load was static(like the beehive in front of SparkFun HQ)or where constant readings are needed without user intervention(for example， on a conveyor belt system). A load cell with an equipped OpenScale can remain in place for months without needing user interaction!On board the SparkFun OpenScale is the ATmega328P microcontroller， for addressing your communications needs and transferring your data to a serial terminal or to a data logger such as the OpenLog， an FT231 with mini USB， for USB to serial connection； the HX711， a 24-bit ADC for weigh scales； and the TMP102， for recording the ambient temperature of your system. The OpenScale communicates at a TTL level of 9，600bps 8-N-1 by default and possesses a baud rate configurable from 1，200bps to 1，000，000bps.Get Started with the OpenScale GuideFeaturesOperating Voltage：5VOperating Ampage：80-100mAPower Cycling above 500msSelectable 10SPS or 80SPS Output Data RateLocal External Temperature SensorsFixed Adjustable Gain

DescriptionIt's time to say hip hip array for this IR Breakout! The MLX90640 SparkFun IR Array Breakout is equipped with a 32x24 array of thermopile sensors creating， in essence， a low resolution thermal imaging camera. With this breakout you can detect surface temperatures from many feet away with an accuracy of ±1.5℃(best case). To make it even easier to get your infrared image， all communication is enacted exclusively via I2C， utilizing our handy Qwiic system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.This specific IR Array Breakout features a55°x35°field of view with a temperature measurement range of -40℃-300℃. The MLX90640 IR Array has pull up resistors attached to the I2C bus； both can be removed by cutting the traces on the corresponding jumpers on the back of the board. Please be aware that the MLX90640 requires complex calculations by the host platform so a regular Arduino Uno(or equivalent)doesn't have enough RAM or flash to complete the complex computations required to turn the raw pixel data into temperature data. You will need a microcontroller with 20，000 bytes or more of RAM. To achieve this， we recommend a Teensy 3.1 or above.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun IR Array Breakout GuideFeaturesOperating Voltage：3V-3.6VCurrent Consumption：～18mAField of View：55°x35°Measurement Range：-40℃-300℃Resolution：±1.5℃Refresh Rate：0.5Hz-64HzI2C Address：0x332x Qwiic Connection Ports

DescriptionThe SparkFun Qwiic pHAT V2.0 for Raspberry Pi provides you with the quickest and easiest way to enter into SparkFun's Qwiic ecosystem while still using that Raspberry Pi that you've come to know and love. The Qwiic pHAT connects the I2C bus(GND， 3.3V， SDA， and SCL)on your Raspberry Pi to an array of Qwiic connectors on the HAT. Since the Qwiic system allows for daisy-chaining boards with different addresses， you can stack as many sensors as you'd like to create a tower of sensing power!The Qwiic pHAT V2.0 has four Qwiic connect ports(two on its side and two vertical)， all on the same I2C bus. We've also made sure to add a simple 5V screw terminal to power boards that may need more than 3.3V and a general-purpose button(with the option to shut down the Pi with a script). Also updated， the mounting holes found on the board are now spaced to accommodate the typical Qwiic board dimension of 1.0"×1.0". This HAT is compatible with any Raspberry Pi that utilizes the standard 2x20 GPIO header as well as the NVIDIA Jetson Nano and Google Coral.NoteWhen placing a Raspberry Pi and the pHAT in an enclosure(like the Pi Tin)， we noticed that the pHAT was not fully inserted in Pi's header pins. For a secure connection， you'll need to add a pair of 1x20 stackable headers to extend the pins to your cart.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic pHAT GuideFeatures4x Qwiic Connection Ports1x 5V Tolerant Screw Terminal1x General Purpose ButtonHAT-compatible 40-pin Female Header

DescriptionThe SparkFun Qwiic MicroPressure Sensor is a miniature breakout equipped with Honeywell's 25psi piezoresistive silicon pressure sensor. This MicroPressure Sensor offers a calibrated and compensated pressure sensing range of 60mbar to 2.5bar， easy to read 24 bit digital I2C output， and can be calibrated and compensated over a specific temperature range for sensor offset， sensitivity， temperature effects， and non-linearity using an on-board Application Specific Integrated Circuit(ASIC). With its ultra-low power consumption and Qwiic ports， you've got yourself a power packed little sensor!Each Qwiic MicroPressure Sensor has a calibrated pressure sensing range from 1-25psi and a power consumption rate as low as 0.01mW typ. average power， 1Hz measurement frequency for ultimate portability. Used in multiple medical(blood pressure monitoring， negative pressure wound therapy)， industrial(air braking systems， gas and water meters)， and consumer uses(coffee machines， humidifiers， air beds， washing machines， dishwashers)， the SparkFun Qwiic MicroPressure Sensor is a great addition to the SparkFun Qwiic ecosystem!The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun Qwiic MicroPressure Hookup GuideFeaturesPressure Type：AbsoluteOperating Pressure：25psi(172.37kPa)I2C Address：0x18Accuracy：±0.25%Voltage - Supply：1.8V-3.6VPort Size：Male - 0.1"(2.5mm)TubePort Style：BarblessMaximum Pressure：60psi(413.69kPa)Compatible with a variety of liquid media2x Qwiic Connectors

DescriptionThe SparkFun AS7263 Near Infrared(NIR)Spectral Sensor Breakout brings spectroscopy to the palm of your hand， making it easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS7263 Breakout is unique in its ability to communicate by both an I2C interface and serial interface using AT commands. Hookup is easy， thanks to the Qwiic connectors attached to the board --- simply plug one end of the Qwiic cable into the breakout and the other into one of the Qwiic shields， then stack the board on a development board. You'll be ready to upload a sketch to start taking spectroscopy measurements in no time.The AS7263 spectrometer detects wavelengths in the visible range at 610， 680， 730， 760， 810 and 860nm of light， each with 20nm of full-width half-max detection. The board also has multiple ways for you to illuminate objects that you will try to measure for a more accurate spectroscopy reading. There is an onboard LED that has been picked out specifically for this task， as well as two pins to solder your own LED into.Note：The I2C address of the AS7263 is 0x49 and is hardware defined. A multiplexer/Mux is required to communicate to multiple AS7263 sensors on a single bus. If you need to use more than one AS7263 sensor consider using the Qwiic Mux Breakout.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun AS726X Spectral Sensor Breakout GuideFeatures6 near-IR channels：610nm， 680nm， 730nm， 760nm， 810nm and 860nm， each with 20nm FWHMNIR filter set realized by silicon interference filters16-bit ADC with digital accessProgrammable LED drivers2.7V to 3.6V with I2C interface2x Qwiic connectors

DescriptionThe SparkFun RV-8803 Real Time Clock Module is a Qwiic-enabled breakout board for the RV-8803 RTC. The RV-8803 boasts some impressive features including a temperature compensated crystal providing extremely precise time-keeping， low power consumption， and time stamp event input along with a user-programmable timing offset value. The RV-8803 also has an improved I2C interface compared to the RV-1805 RTC that removes the need to sequence commands/writes to the device. Best of all， the temperature compensation comes factory calibrated. Utilizing our handy Qwiic system so no soldering is required to connect it to the rest of your system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.Adding a real-time clock to your project is the perfect way to get more accurate data； timing or otherwise. Using the Qwiic connector makes for a fast， solid way to incorporate this into your project. The RTC module has counters for hundredths of seconds， seconds， minutes， hours， date， month， year and weekday with a number of alarm and interrupt settings available as well. Plus the large operating temperature range(-40 to +105℃)and temperature compensated crystal makes for a good addition for field applications or harsh environments.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started with the SparkFun RV-8803 Real Time Clock Module GuideFeaturesFactory Calibrated Temperature CompensationHigh Time Accuracy±1.5 ppm 0 to +50℃±3.0 ppm -40 to +85℃±7.0 ppm +85 to +105℃1.5V to 5.5V Operating Voltage Range240nA @ 3.3v Low-Power ConsumptionI2C Address：0x32Periodic Countdown Timer Interrupt functionPeriodic Time Update Interrupt function(seconds， minutes)Alarm Interrupts for weekday or date， hour and minute settingsExternal Event Input with Interrupt and Time Stamp functionProgrammable Clock Output pin for peripheral devices.Operating temperature range：-40 to +105℃2x Qwiic Connectors