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。Description。The SparkFun Load Cell Amplifier is a small breakout board for the HX711 IC that allows you to easily read load cells to measure weight. By connecting the amplifier to your microcontroller you will be able to read the changes in the resistance of the load cell， and with some calibration you'll be able to get very accurate weight measurements. This can be handy for creating your own industrial scale， process control or simple presence detection.。This version of the SparkFun Load Cell Amplifier features a few changes that you specifically asked for! We have separated the analog and digital supply， as well as added a 3.3uH inductor and a 0.1uF filter capacitor for digital supply. Need even more? Checkout the SparkFun Qwiic Scale. It has all the features of the HX711 but with additional library support， a true I2C interface， and no soldering required!。The HX711 uses a two-wire interface(Clock and Data)for communication. Any microcontroller's GPIO pins should work， and numerous libraries have been written， making it easy to read data from the HX711. Check the hookup guide below for more information.。Load cells use a four-wire Wheatstone bridge configuration to connect to the HX711. These are commonly colored RED， BLK， WHT， GRN and YLW. Each color corresponds to the conventional color coding of load cells：Red(Excitation+ or VCC)。Black(Excitation- or GND)。White(Amplifier-， Signal- or Output-)。Green(A+， S+ or O+)。Yellow(Shield)。The YLW pin acts as an optional input that is not hooked up to the strain gauge but is utilized to ground and shield against outside EMI(electromagnetic interference). Please keep in mind that some load cells might have slight variations in color coding.。Note：Special thanks to Bodge for supplying the Library for the HX711!。Get Started with the HX711 Load Cell Amplifier Guide。Features。Operation Voltage：2.7V--5V。Operation Current：< 1.5mA。Selectable 10SPS or 80SPS output data rate。Simultaneous 50 and 60Hz supply rejection

Description。The SparkFun Qwiic Adapter provides the perfect means to make any old I2C board into a Qwiic-enabled board. This adapter breaks out the I2C pins from the Qwiic connectors to pins that you can easily solder with your favorite I2C-enabled device.。The Qwiic Adapter has two Qwiic connection ports， all on the same I2C bus. Four plated through holes are broken out for SCL， SDA， 3.3V and GND. These pins can be used to convert an old I2C-enabled device into a Qwiic-enabled 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 Adapter Guide。Features。2x Qwiic Connection Ports。Broken-out I2C Pins

Description。The MicroMod Qwiic Carrier Board can be used to rapidly prototype with other Qwiic devices. The MicroMod M.2 socket provides users the freedom to experiment with any processor board in the MicroMod ecosystem. This board also features two Qwiic connectors and eight 4-40 screw inserts to connect and mount Qwiic devices.。This version of the SparkFun MicroMod Qwiic Carrier Board features two ports for our standard 1in. by 1in. Qwiic breakouts. However， you aren't beholden to attaching just a duo of Qwiic breakouts since you are able to stack the boards on top of each other， allowing you to hook up a full circuit of Qwiic sensors and accessories to fully utilize your next project!。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 on the fly. Pair a specialized carrier board for the project you need with your choice of compatible processor!。Get Started With the MicroMod Qwiic Carrier Board Guide。Features。M.2 MicroMod(Processor Board)Connector。USB-C Connector。3.3V 1A Voltage Regulator。Qwiic Connectors。Boot/Reset Buttons。Charge Circuit。Eight 4-40 Inserts

Description。The MicroMod Qwiic Carrier Board can be used to rapidly prototype with other Qwiic devices. The MicroMod M.2 socket provides users the freedom to experiment with any processor board in the MicroMod ecosystem. This board also features two Qwiic connectors and four 4-40 screw inserts to connect and mount Qwiic devices.。This version of the SparkFun MicroMod Qwiic Carrier Board features a single port for our standard 1in. by 1in. Qwiic Breakouts. However， you aren't beholden to attaching just one Qwiic breakout since you are able to stack the boards on top of each other， allowing you to hook up a full circuit of Qwiic sensors and accessories to fully utilize your next project!。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 on the fly. Pair a specialized carrier board for the project you need with your choice of compatible processor!。Get Started With the MicroMod Qwiic Carrier Board Guide。Features。M.2 MicroMod(Processor Board)Connector。USB-C Connector。3.3V 1A Voltage Regulator。Qwiic Connectors。Boot/Reset Buttons。Charge Circuit。Four 4-40 Inserts

Description。This is the Teensy 4 Audio Shield(Rev D)that can be added to a Teensy 4.0 for your next audio project. The shield provides you with an easy-to-use tool to add high quality 16 bit， 44.1 kHz sample rate audio to your Teensy. With the audio li

Description。This adjustable-temperature soldering iron is a great tool for when you don't want to break the bank but need a reliable iron to get the job done. Operating at 60W and 110V， this soldering iron can be adjusted to five different temperatures

Description。This is a 16mm deluxe thumb joystick and is very similar to the 'analog' joysticks found inside PlayStation controllers. Directional movements are provided simply by two potentiometers - one for each axis. These 10k potentiometers will read the position changes for the joystick's full range of physical motion. This joystick also has a select button that is actuated when the joystick is pressed down.。The mechanical parts found in this joystick are mostly metal and are considered far sturdier(rugged， if you will)than other， plastic joystick options.。Note：。This thumb joystick does not include a top cap and it will need to be purchased separately. Additionally， the leads on the housing of this joystick are much thicker than the leads on the trimpots &； push button components. When soldering to BOB-9110， we recommend using a pair of fine tip tweezers to guide each pin into the correct hole before pushing down.

Description。The Xcelite 8-in-1 Screwdriver Set provides eight high-quality bits in a single ergonomic tool. Each bit is easily accessible with a spring-loaded magnetic housing that holds the seven included bits you aren't currently using. Though the screwdriver set includes eight unique bits， the end of the shaft features a 0.25" hex driver that can fit most of your existing 1/4" bits. With a strong magnetic hold and no-roll handle design， this is one of the best all-in-one tools we have used!。The shaft of this multiple-tip driver is made from a chrome-molybdenum vanadium steel that makes for great durability and longevity.

Description。The Alchitry Au+ is the "gold" standard for FPGA development boards and it's possibly one of the strongest boards of its type on the market. The Au+ substitutes a more robust scalable FPGA chip(Xilinx XC7A100T)that allows for more complex a

。Description。The 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 Guide。Features。Teensy 4.0， 3.2， or LC Footprint Compatible。4x Qwiic Connection Ports。"PROG" Button w/ satisfying tactile feedback。I2C Jumper。3.3V and GND Buses

Description。The Arducam 5MP Plus OV5642 Mini provides an easy to use camera solution for those working with low-cost microcontrollers such as those used with Arduino and the RP2040 from Raspberry Pi. It's a general purpose 5MP camera module that's SPI enabled reducing the complexity of controlling the camera. It's a step up in performance from it's predecessor， the Arducam-M-5MP. The most impressive aspect being that it's possible to control more than one of these from the same microcontroller. It features a M12 mount or CS-Mount lens holder with the ability to change lenses. Best of all， there's code libraries for Arduino， STM32， Chipkit， Raspberry Pi， and BeagleBone Black.。The Arducam 5MP Plus OV5642 Mini supports JPEG compression mode， single and multiple shoot mode， short movie recording， one-time capture multiple read operation， burst read operation， and low power mode.。Features。Power supply 3.3V～5V。Active array size：2592×1944。SPI speed：Max 8MHz。Shutter：rolling shutter。Frame buffer：8MByte。Pixel Size：1.4μm×1.4μm。Default M12 Lens：55°。Resolution support：5MP， 1080p， 720p， VGA， QVGA。Format support：RAW， YUV， RGB， JPEG。Size：34×24 mm。Weight：20g。Temperature Range：-10℃～+55℃。Lens Specification：sensor size：1/4″； EFL：4.9mm； F/N：2.2； BFL：1.2mm； HFOV：60 degree(SKU：U6067)

Description。The LIDAR-Lite v4 Qwiic from GARMIN is a high-performance， wireless optical distance measurement sensor that doesn't require any soldering to get started. This is the ideal solution for drone， robot， IoT， or unmanned vehicle operations when

Description。The SparkFun OpenLog with Headers is an open source data logger that works over a simple serial connection and supports microSD cards up to 64GB. The OpenLog can store or "log" huge amounts of serial data and act as a black box of sorts to store all the serial data that your project generates， for scientific or debugging purposes. This version of th OpenLog even includes pre-soldered headers for your convenience.。The SparkFun OpenLog uses an ATmega328 running at 16MHz thanks to the onboard resonator. The OpenLog draws approximately 2-3mA in idle(nothing to record)mode. During a full record OpenLog can draw 10 to 20mA depending on the microSD card being used.。All data logged by the OpenLog is stored on the microSD card. Any 512MB to 32GB microSD card should work. OpenLog supports both FAT16 and FAT32 SD formats.。For even better performance the OpenLog Artemis is the tool you need， featuring logging speeds up to 500000bps.。Get Started with the SparkFun OpenLog Guide。Features。VCC Input：3.3V-12V(Recommended 3.3V-5V)。Log to low-cost microSD FAT16/32 cards up to 32GB。Simple command interface。Configurable baud rates(up to 115200bps)。Preprogrammed ATmega328 and bootloader。Four SPI pogo pins。Two LEDs indicate writing status。2mA idle， 6mA at maximum recording rate。Pre-soldered Headers

Description。The SparkFun Inventor's Kit for micro：bit v2 Lab Pack includes 10 complete micro：bit v2 Inventor's Kits， an SIK Refill Pack and 25 AAA-sized batteries to get your students started in the world of electronics. The SIKs inside the Lab Pack have everything you need， including micro：bit v2s， connector breakouts， breadboards and all the cables and accessories to hook up all the projects listed in our online Experiment Guide.。The kit does not require any soldering and is recommended for all users， from beginners to engineering students. We have provided a complete Experiment Guide in the Documents tab for you to check out now! If you are new to teaching electronics or have taught with the original SparkFun Inventor's Kit and are looking for something new， the SIK for micro：bit v2 is the perfect kit for you!。SparkFun packages everything educators need to get started with this platform in a variety of classroom and makerspace settings with diverse student populations. The hardware boards， cables and extra parts come pre-packaged， and our online support materials --- including an online Experiment Guide(to be updated)--- help you bring the power of the open source community to your classroom. Examples and curriculum materials are available from SparkFun and Arduino， as well as from other educators involved in this growing maker movement.。The micro：bit is a pocket-sized computer that lets you get creative with digital technology. Between the micro：bit and our shield-like bit boards you can do almost anything while coding， customizing and controlling your micro：bit from almost anywhere! You can use your micro：bit for all sorts of unique creations， from robots to musical instruments and more. At half the size of a credit card， this versatile board has vast potential!

Description。The 6-Channel Temperature Monitor can measure temperatures from as low as -240℃ up to +850℃(real-world limits greatly depend on the sensors being used). Up to six 3-wire PT100 sensors(not included)can be connected for measuring up to six temperatures. Measured temperature values are sent on a serial port for data logging and/or further processing. The kit includes an optional serial LCD for displaying readouts right on the board.。Note：The kit requires soldering， a Serial to USB converter， and 9V power supply. See related products for these and PT100 temperature sensors.

USB Type 'B' Female connector. The 4 connection pins have .1" spacing allowing it to be inserted into development boards and perf boards with mild modification. You can either drill two 80mil holes for the support posts、or cut them off completely.

Description。The SparkFun ProtoShield Kit lets you customize your own Arduino shield using whatever circuit you can come up with and then test it to make sure everything is working the way it should! The SparkFun ProtoShield Kit is based off the Arduino R3's footprint that allows you to easily incorporate it with favorite Arduino-based device.。One of our favorite features with this version of the ProtoShield Kit is the solderable-like breadboard prototyping area! Half of this area was designed with a breadboard in mind. On the underside of the shield you will be able to see open jumper pads between each through hole to make a connection like a breadboard. Once you add a component， simply add a solder jumper between holes to make a connection. For those that prefer the standard prototyping pads， we left the other side(near the BlueSMiRF and Serial UART ports)as is.。We have also moved the prototype testing components(those used to make sure your circuit works effectively)off of the "mainland" of the shield and onto a ProtoSnap styled， removable PCB. On this test area you will find soldering areas for the two yellow 3mm LEDs(as well as pins to control and power them)， two 330 Ohm resistors， a 10K Ohm resistor， and a pushbutton.。Note：。Since this product is a kit， assembly and a basic knowledge of soldering will be required. The SparkFun ProtoShield Kit does not come pre-assembled.。Get Started With the SparkFun ProtoShield Kit Guide。Features。Arduino R3 Footprint。Soldering Kit。Solderable-Like Breadboard。BlueSMiRF or Comparable 6-pin Pins。Detachable Test Area

Description。There are a couple must-have boards that every engineer and hobbyist should have on their desk， and this PCA9306 dual， bidirectional voltage-level translator breakout is one of them! Because different parts sometimes use different voltage

Description。The MQ-9B is a CO and CH4 gas detection sensor form Winsen. The sensing material of the MQ-9B is SnO2， which has a low conductivity in clean air. It detects carbon monoxide(1.5V)by method of cycling high and low temperature. The sensor's conductivity gets higher with the CO and CH4 gas concentration rising. The sensing range is 10-500ppm CH4. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward， but does require some calibration.。For easy Solderability； use our Gas Sensor Breakout Board.

Description。An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance changes. This potentiometer from Bourns has a 1/4" metal knurled shaft diameter， solder lug terminals， no detents， and has a 100K linear taper.。Connect VCC to an outer pin， GND to the other， and the center pin will have a voltage that varies from 0 to VCC depending on the rotation of the pot. Hook the center pin to an ADC on a microcontroller and get a variable input from the user!

Description。The MQ-2 is a smoke and combustible gas sensor from Winsen. It can detect flammable gas in a range of 300 - 10000ppm. It's most common use is domestic gas leakage alarms and detectors with a high sensitivity to propane and smoke. The sensing material is SNO2 for which the conductivity is lower in clean environments and higher when smoke or flammable gas is present. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward， but does require some calibration.。For easy Solderability； use our Gas Sensor Breakout Board.

。Description。Do you need help soldering a difficult project， reworking a botched pin or just making your life easier? This 10mL no-clean flux pen from Chip Quik(R)is great for all of your solder， desolder， rework and reflow purposes! For those of you unfamiliar， flux is a handy substance that prevents beading of the solder and helps the solder flow cleanly onto the parts you are soldering. This is a must-have tool for any hobbyist's workbench.。Each of these flux pens can be used in leaded and lead-free applications and is VOC， halide and rosin free --- making it RoHS II and REACH compliant. Since this is a "no-clean" style flux， you won't have to worry about any sort of conductivity issues associated with it interfering with your board or project. However， it is advisable to still clean whatever you are using this flux pen on with basic isopropyl alcohol(IPA)， because a clean board is a happy board!。Note：It isn't recommended to use this flux with solder that has a water-soluble or rosin flux core in scenarios that require your boards operate at a high reliability rate. At a hobbyist level you should have no issues.。Features。Flux Type：No-Clean Liquid Flux(for leaded and lead-free applications)。Flux Classification：INM0。Packaging：10mL Pen。Shelf Life：Refrigerated >24 months； Unrefrigerated >24 months

Description。The SparkFun Large Digit Driver is a chainable controller backpack that can be soldered directly to the back of our large 6.5" 7-segment displays. Large numerical displays are a great addition to any project where you want to be able to see

Description。This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface. The DS18B20 provides 9 to 12-bit(configurable)temperature readings over a 1-Wire interface， so that only one wire(and ground)needs to be connected from a central microprocessor. Power for reading， writing， and performing temperature conversions can be derived from the data line itself with no need for an external power source.。Because each DS18B20 contains a unique silicon serial number， multiple DS18B20s can exist on the same 1-Wire bus. This allows for placing temperature sensors in many different places. Applications where this feature is useful include HVAC environmental controls， sensing temperatures inside buildings， equipment or machinery， and process monitoring and control.。Note：The pinout for this sensor is as follows：RED=Vcc BLACK=GND WHITE=SIG。Features。3.0-5.5V input voltage。-55℃ to +125℃ temperature range。±0.5℃ accuracy from -10℃ to +85℃。Waterproof。1 Wire interface。Probe is 7mm in diameter and roughly 26mm long. Overall length(including wire)is 6 feet.。Thermometer resolution is programmable from 9 to 12 bits.。Electrical performance：no flicker or breakdown within AC 1200V/1S ，within DC 500V theinsulation resistance shall be greater than 100MΩ

。Description。Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder， like the stained glass on Tiffany lamps.。This copper tape is backed by a conductive adhesive， is a whopping 2" wide， and comes in rolls of 50 feet. That's a lot of copper.

Description。The SparkFun Inventor's Kit(SIK)for micro：bit v2 is a great way to get creative， connected and coding with the micro：bit. The SIK for micro：bit v2 provides not only the micro：bit v2 board but everything you need to hook up and experiment with multiple electronic circuits! With the SIK for micro：bit v2 you will be able to complete circuits that will teach you how to read sensors， move motors， build Bluetooth(R)devices and more.。The SparkFun Inventor's Kit for micro：bit is the latest and greatest in single-board computer kits. Surrounding the micro：bit v2 SIK is one core philosophy --- that anyone can(and should)experiment with cutting-edge electronics in a fun and playful way without breaking the bank.。The kit does not require any soldering and is recommended for all users， from beginners to engineers. We have provided a complete Experiment Guide in the Documents tab for you to check out now! If you have ever been interested in learning about electronics， or if you have used the original SparkFun Inventor's Kit and are looking for something new， the SIK for micro：bit is the perfect kit for you!。The micro：bit is a pocket-sized computer that lets you get creative with digital technology. Between the micro：bit and our shield-like bit boards you can do almost anything while coding， customizing and controlling your micro：bit from almost anywhere! You can use your micro：bit for all sorts of unique creations， from robots to musical instruments and more. At half the size of a credit card， this versatile board has vast potential!。。Examples。Circuit 0：Hello， micro：bit!。Circuit 1：Blinking an LED。Circuit 2：Reading a Potentiometer。Circuit 3：Reading a Photoresistor。Circuit 4：Driving an RGB LED。Circuit 5：Reading an SPDT Switch。Circuit 6：Reading a Button Press。Circuit 7：Reading the Temperature Sensor。Circuit 8：Using a Servo Motor。Circuit 9：Using a Buzzer。Circuit 10：Using the Accelerometer。Circuit 11：Using the Compass

Here is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V regulated voltage. The .1" headers are mounted on the bottom of the PCB for simple insertion into a breadboard. Pins labeled VCC and GND plug directly into the power lines. The lone pair of pins have no electrical connection but help support the PCB.。There are two pins available within the barrel jack footprint. Any stripped +/- DC supply can be connected instead of the barrel connector. Board has both an On/Off switch and a voltage select switch(3.3V/5V).。Comes as a bag of parts kit and is easily assembled if you can follow the silkscreen indicators and have beginning experience with a soldering iron. You will need to read the resistor bands or use a multimeter to determine the resistor sizes.。Dimensions：1.25x1.25"。Kit Includes：DC Barrel Connector(2.1mm center positive)。TO-220 Voltage Regulator(LM317 1.5A max current)。1N4004 Reverse Protection Diode。100uF 25V Capacitor。10uF 25V Capacitor。0.1uF 50V Capacitor。Red Power LED - High Brightness。2×SPDT Slide Switch。4×0.1" Header Pins。2×330 Resistor 1/6W。390 Resistor 1/6W。240 Resistor 1/6W。Bare PCB with Silkscreen Indicators。PTC resettable fuse

Description。This diode-transistor photocouplers consist of an LED， optically coupled to a high speed photodetector to transmit electrical signals between circuits while still isolating your system from higher voltages. The 6N137 optoisolator is presented in an 8-pin DIP package.。The output features is an open collector and coupler parameters are guaranteed over the temperature range from -40℃～5℃. The internal shield provides a guaranteed Common Mode Transient Immunity(typical)10KV/μs.。Features。High Speed：10MBd。Common Mode Rejection：10KV/μs

Description。Robots are fun， and the micro：bit is the perfect controller for learning how to build and program robots! Combining the micro：bit with the SparkFun moto：bit carrier board creates a flexible， low-cost， Qwiic-enabled robotics platform for robot enthusiasts young and old! With the SparkFun micro：bot kit you will be able to create simple robots quickly without spending hours learning how to build and program your bot.。Inside each micro：bot kit you will find all the components required to build your micro：bit into a robotics powerhouse； the only part that's not included is the micro：bit itself. Simply add your own micro：bit to the provided moto：bit， assemble the kit， and you will be ready to start moving. The SparkFun micro：bot kit is a great way to get your feet wet in the world of robotics.。The kit does not require any soldering and is recommended for anyone curious about robotics or the micro：bit platform.。Note：The SparkFun micro：bot kit does。NOT。include a micro：bit board. The micro：bit board will need to be purchased separately.。The micro：bit is a pocket-sized computer that lets you get creative with digital technology. Between the micro：bit and our shield-like bit boards you can do almost anything while coding， customizing and controlling your micro：bit from almost anywhere! You can use your micro：bit for all sorts of unique creations， from robots to musical instruments and more. At half the size of a credit card， this versatile board has vast potential!。Get started with the micro：bot kit Guide

Description。Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits(It just goes round and round). They output gray code so that you can tell how much and in which direction the encoder has been turned. They're great for navigating menu screens and things like that.。This encoder is especially cool because it has a common anode RGB LED built in， as well as a push-button. This version has an updated material that is heat resistant and slightly changed dimensions， but should still work well with our rotary encoder breakout board.。Features。Switch Travel：0.5mm。Shaft Diameter：6.0mm。Shaft Length：18mm。Vertical Through-Hole Mount。24 Pulses per Rotation。Red/Green/Blue LED。Pushbutton

Description。The SparkFun BME280 Atmospheric Sensor Breakout is the easy way to measure barometric pressure， humidity， and temperature readings all without taking up too much space. Basically， anything you need to know about atmospheric conditions you can find out from this tiny breakout. The BME280 Breakout has been design to be used in indoor/outdoor navigation， weather forecasting， home automation， and even personal health and wellness monitoring.。The on-board BME280 sensor measures atmospheric pressure from 30kPa to 110kPa as well as relative humidity and temperature. The breakout provides a 3.3V SPI interface， a 5V tolerant I2C interface(with pull-up resistors to 3.3V)， takes measurements at less than 1mA and idles less than 5μA. The BME280 Breakout board has 10 pins， but no more than six are used at a single time. The left side of the board provide power， ground， and I2C pins. The remaining pins which provide SPI functionality and have another power and ground， are broken out on the other side.。Note：The breakout does NOT have headers installed and will need to purchased and soldered on yourself. Check the。Recommended Products。section below for the type of headers we use in the Hookup Guide!。Features。Operation Voltage：3.3V。I2C SPI Communications Interface。Temp Range：-40C to 85C。Humidity Range：0 - 100% RH， =-3% from 20-80%。Pressure Range：30，000Pa to 110，000Pa， relative accuracy of 12Pa， absolute accuracy of 100Pa。Altitude Range：0 to 30，000 ft(9.2 km)， relative accuracy of 3.3 ft(1 m)at sea level， 6.6(2 m)at 30，000 ft.。Incredibly Small

Description。The SparkFun micro：climate kit is a full weather station kit that is built on top of the weather：bit carrier board. Unlike previous weather kits we've carried， this micro：climate kit is Qwiic enabled and includes our tried-and-true Weather Meters and Soil Moisture Sensor， so whether you're an agriculturalist， a professional meteorologist or a hobbyist， you will be able to build a high-grade weather station powered by the micro：bit. You can even talk via wireless communication between two micro：bits with this kit to be able to monitor the weather without being exposed to it!。Inside each micro：climate kit you will find all the components required to build your micro：bit into a go-to weather sensor； the only parts not included are two AAA batteries， microSD card， and the micro：bit itself. Simply add your own micro：bit to the provided weather：bit， assemble the kit， and you will be ready to start sensing. The SparkFun micro：climate kit is a great way to get your feet wet in high-grade sensors --- just not literally； that's the weather：bit's job!。The kit does not require any soldering and is recommended for anyone curious about weather-sensing technology or the micro：bit platform.。The micro：bit is a pocket-sized computer that lets you get creative with digital technology. Between the micro：bit and our shield-like bit boards you can do almost anything while coding， customizing and controlling your micro：bit from almost anywhere! You can use your micro：bit for all sorts of unique creations， from robots to musical instruments and more. At half the size of a credit card， this versatile board has vast potential!。Note：The SparkFun micro：climate kit does。NOT。include a micro：bit board. The micro：bit board will need to be purchased separately. You will also need a microSD card when logging data and AAA batteries to power remotely.。Get started with the micro：climate kit Guide

Description。The XBee3 Thing Plus is an ultra capable and easy way for getting into wireless device development. The combination of XBee and Qwiic in a space conscious design represents a much needed update to our XBee offering. With 20 I/O pins and Lithium Polymer Ion battery management， the XBee3 Thing Plus has all the basics for quickly prototyping or developing a connected device such as a remote sensor. The Qwiic connector and JST connector for the battery make for a solder-less option when working with the board which shortens setup time.。The new XBee3 Micro Module provides the classic all-but plug and play 802.15.4 2.4GHz wireless connection(Zigbee 3.0 Protocol)that makes it so desirable， but with a new addition of being programmable with MicroPython(32KB of memory available for it). RF data rates up to 250 Kbps and 200ft indoor ranges and up to 4000ft line-of-sight outdoor range. Communicating with/Configuring the module happens via an AT Command set or the Digi API， X-CTU， both locally or over-the-air. There's even a mobile version of X-CTU now； Digi XBee(R)Mobile.。This variation features a U.FL antenna connector for longer range communications. Check out the related products for compatible antennas.。Get Started With the SparkFun XBee3 Thing Plus Guide。Features。XBee3 Micro Module。Silicon Labs EFR32MG SoC。250Kbps RF， 1Mbps Serial data rates。Indoor/Urban range up to 200 ft(60 m)。Outdoor/RF Line of Sight range up to 4000 ft(1200 m)。+8 dBm transmit power。-103 dBm receiver sensitivity。UART， I2C， SPI Interfaces(SPI currently not available at this time， but broken out on the board)。ISM 2.4GHz Frequency Band(802.15.4)。1MB of memory， 128KB RAM(32KB available for MicroPython)。20 GPIO Pins。Configurable via X-CTU or AT Command set via both USB and Wirelessly(second XBee 3 device required for wireless configuration unless you're using the mobile app)。Qwiic Compatible。On-board charging circuit and connector for 3.3v Lithium Polymer Ion Batteries(see related products for compatible batteries)。2.6VDC - 3.6VDC supply voltage。U.FL Antenna Connector

Description。The XBee3 Thing Plus is an ultra-capable and easy way for getting into wireless device development. The combination of XBee and Qwiic in a space-conscious design represents a much-needed update to our XBee offering. With 20 I/O pins and Lithium-Polymer Ion battery management， the XBee3 Thing Plus has all the basics for quickly prototyping or developing a connected device such as a remote sensor. The Qwiic connector and JST connector for the battery make for a solder-less option when working with the board which shortens setup time.。The new XBee3 Micro Module provides the classic， near plug and play 802.15.4 2.4GHz wireless connection(Zigbee 3.0 Protocol)that makes it so desirable， but with a new addition of being programmable with MicroPython(32KB of memory available for it). RF data rates up to 250Kbps and 200 ft indoor ranges and up to 4000 ft line-of-sight outdoor range. Communicating with/Configuring the module happens via an AT Command set or the Digi API， X-CTU， both locally or over-the-air. There's even a mobile version of X-CTU now； Digi XBee(R)Mobile.。Note：This variation uses a chip antenna and is not compatible with external antennas.。Get Started With the SparkFun XBee3 Thing Plus Guide。Features。XBee3 Micro Module。Silicon Labs EFR32MG SoC。250Kbps RF， 1Mbps Serial data rates。Indoor/Urban range up to 200 ft(60 m)。Outdoor/RF Line of Sight range up to 4000 ft(1200 m)。+8 dBm transmit power。-103 dBm receiver sensitivity。UART， I2C， SPI Interfaces(SPI currently not available at this time， but broken out on the board)。ISM 2.4GHz Frequency Band(802.15.4)。1MB of memory， 128KB RAM(32KB available for MicroPython)。20 GPIO Pins。Configurable via X-CTU or AT Command set via both USB and Wirelessly(second XBee 3 device required for wireless configuration unless you're using the mobile app)。Qwiic Compatible。On-board charging circuit and connector for 3.3v Lithium Polymer Ion Batteries(see related products for compatible batteries)。2.6VDC - 3.6VDC supply voltage。On-board Chip Antenna

Description。The Teensy is an amazing and compact development platform in breadboard friendly form factor， but what if you could incorporate it into the Arduino architecture? The Teensy Arduino Shield Adapter allows you to attach your Teensy and utilize your favorite Arduino shields without the requirement of breadboard or any complicated wiring. Needless to say， the Teensy Arduino Shield Adapter is useful tool for upgrading all of your existing Arduino projects to more powerful controller!。As we stated before， the Teensy Arduino Shield Adapter provides basic Arduino compatibility with your run-of-the-mill shield but there are few other fun features that we've added on， as well. These features include Real Time Clock(RTC)battery， JST battery connector， 4-12V barrel jack connector， an ICSP header， and more. Because this board is simply an adapter， there is no special programming required to start working with the adapter. You will， however， need to program the Teensy for any Arduino shield you'd like to work with.。While the adapter design can fit the Teensy LC footprint， it has been designed to fully utilize the features of the Teensy 3.1. Not all of the features available on the adapter are compatible with the LC so please be sure to check the Hookup Guide in the。Documents。section below to ensure functionality for your project. Please keep in mind that this adapter may be incompatible with some 5V Arduino shields. Please check our hookup guide for more information.。Note：The Teensy Arduino Shield Adapter comes as kit and will need to be soldered together.。Note：Due to the requirements of shipping the batteries in this kit， orders may take longer to process and therefore do not qualify for same-day shipping. Additionally， these batteries can not be shipped via Ground or Economy methods to Alaska or Hawaii. Sorry for any inconvenience this may cause.。Features。Arduino R3 Interface。Real Time Clock Battery。JST Battery Connector。Barrel Jack。I2C Jumpers。ICSP Header。DAC Pin Header

Description。This is the FemtoBuck， a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the dimming control can be either accessed via PWM or analog signal from 0-2.5V. This board is based off of the PicoBuck LED Driver， developed in collaboration with Ethan Zonca， except instead of blending three different LEDs on three different channels the FemtoBuck controls just one.。For the FemtoBuck， we've increased the voltage ratings on the parts to allow the input voltage to cover the full 36V range of the AL8805 driver. Since the FemtoBuck is a constant current driver， the current drawn from the supply will drop as supply voltage rises. In general， efficiency of the FemtoBuck is around 95%， depending on the input voltage. On board each FemtoBuck you will find two inputs for both power input and dimming control pins and an area to install a 3.5mm screw terminal. Finally at either side of the board you will find small indents or "ears" which will allow you to use a zip tie to secure the wires to the board after soldering them down. This version of the FemtoBuck is equipped with a small solder jumper that can be closed with a glob of solder to double the output current from 330mA to 660mA.

。Description。The SparkFun Inventor's Kit(SIK)for Arduino Uno is a great way to get started with programming and hardware interaction with the Arduino programming language. The SIK includes everything you need to complete five overarching projects consisting of 16 interconnected circuits that teach everything from blinking an LED to reading sensors. The culminating project is your very own autonomous robot! No previous programming or electronics experience is required to use this kit.。The online guide contains step-by-step instructions with circuit diagrams and hookup tables for building each project and circuit with the included parts. Full example code is provided， new concepts and components are explained at point of use， and troubleshooting tips offer assistance if something goes wrong.。The kit does not require any soldering and is recommended for beginners ages 10 and up who are looking for an Arduino starter kit. For SIK version 4.1 we took an entirely different approach to teaching embedded electronics. In previous versions of the SIK， each circuit focused on introducing a new piece of technology. With SIK v4.1， components are introduced in the context of the circuit you are building， and each circuit builds upon the last， leading up to a project that incorporates all of the components and concepts introduced throughout the guide. With new parts and a completely new strategy， even if you've used the SIK before， you're in for a brand-new experience!。This version of the SIK replaces the SparkFun RedBoard Qwiic with the Arduino Uno(SMD version)and comes without the SIK guidebook and carrying case. With these components being swapped and removed， we were able to reduce the overall size and weight of the kit， making shipping cheaper and easier for anyone ordering internationally.。Note：As stated above， this SIK does NOT include a carrying case or print guidebook.。Get Started With the SparkFun Inventor's Kit v4.1 Experiment Guide。Examples。Project 1：Light。Circuit 1A：Blinking an LED。Circuit 1B：Potentiometer。Circuit 1C：Photoresistor。Circuit 1D：RGB Night-Light。Project 2：Sound。Circuit 2A：Buzzer。Circuit 2B：Digital Trumpet。Circuit 2C："Simon Says" Game。Project 3：Motion。Circuit 3A：Servo Motors。Circuit 3B：Distance Sensor。Circuit 3C：Motion Alarm。Project 4：Display。Circuit 4A：LCD "Hello， World!"。Circuit 4B：Temperature Sensor。Circuit 4C："DIY Who Am I?" Game。Project 5：Robot。Circuit 5A：Motor Basics。Circuit 5B：Remote-Controlled Robot。Circuit 5C：Autonomous Robot

Description。Robots are fun， and Arduinos are easy. So wouldn't it be nice if there were kit that included everything you need to get your Arduino device set up to control simple two-motor-circuit buddy? The SparkFun Ardumoto Shield Kit is perfect for any robot enthusiast and includes an Ardumoto Shield， as well as pairs of tires， motors， connectors and wires. And， of course， it's all stuffed in classic SparkFun red box(which may come in handy as robot chassis).。The Ardumoto Shield is an easy-to-use dual-motor controller for Arduino. Combined with an Arduino， the Ardumoto makes fantastic controller platform for RC vehicles or even small autonomous robots. At the heart of the Ardumoto --- the big， black chip right in the middle --- is an L298， one of our favorite dual-channel motor drivers around， capable of driving up to 2A per channel. The board takes its power from the same Vin line as the Arduino board and includes blue and yellow LEDs to indicate active direction. All driver lines are diode protected from back EMF.。Note：The motors included with this kit are not compatible with the Wheel Encoder kit. Sorry for the inconvenience.。Get Started with the SparkFun Ardumoto Kit Guide

Description。Get 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 Guide。Features。Operating Voltage(Startup)：1.6V - 3.6V。Operating Voltage(Timekeeping)：1.5V - 3.6V。Operating Temperature：-40℃ - 85℃。Time Accuracy：±2.0 ppm。Current Consumption：22nA(Typ.)。I2C Address：0xD2。Supercapacitor for Backup Power。2x Internal Oscillators。2x Qwiic Connectors