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Description。The new PureThermal Mini Pro JST-SR with Thermal by FLIR is a hackable thermal camera for the FLIR Lepton thermal imaging camera core. Just like its PureThermal 2 predecessor， it ships pre-configured to operate as a plug-and-play UVC 1.0 USB thermal webcam that will work with standard webcam and video apps on all major platforms using a JST-SR to USB Cable， or your own custom cable. For developers， its reference firmware and viewer software are open source.。It has multiple connection options such as solder straight to the board or a custom cable using the JST-SR port. The PTMini Pro also features four mounting holes， less complex circuitry， and perhaps best of all， USB DFU. This is a development kit ready to be embedded into a production system.。Each board comes with a FLIR Lepton 3.5.。The FLIR Lepton(R)is a radiometric-capable LWIR camera solution that is smaller than a dime， fits inside a smartphone， and is one tenth the cost of traditional IR cameras. Using focal plane arrays of either 160x120 or 80x60 active pixels， Lepton easily integrates into native mobile-devices and other electronics as an IR sensor or thermal imager. The radiometric Lepton captures accurate， calibrated， and noncontact temperature data in every pixel of each image.。Features。PureThermal：Compatible with all production FLIR Leptons， including radiometric 2.5 and 3.5 cores。9 Hz color video over usb using the USB UVC class。STM32F412 ARM microprocessor - execute on-board image processing without need for an external system。Open source reference firmware：GroupGets PureThermal Github。Works with GetThermal - our custom open source thermal video display software for macOS and Linux with radiometric support。DFU over USB using a JST-SR port to USB cable， or a modified USB cable and the through holes.。Four mounting holes。Compact form-factor ready to be embedded into production systems。FLIR Lepton 3.5：Thermal sensitivity：< 50 mK(0.050℃)。Spectral Range：8 - 14 microns(nominal)Long Wave Infrared(LWIR)。Resolution：160h×120v pixels。Radiometric Accuracy - High Gain Mode：Greater of +/- 5℃ or 5%(typical)； Low Gain Mode：Greater of +/- 10℃ or 10%(typical)。Scene Dynamic Range - High Gain Mode：-10° to +140℃； Low Gain Mode：-10° to +400℃(at room temperature)， -10° to +450℃(typical)。Pixel Size：12 micrometers。Frame Rate：8.7 Hz(effective)。Output Format：User-selectable 14-bit， 8-bit(AGC applied)， or 24-bit RGB(AGC and colorization applied)。Horizontal Field of View(HFOV)：57°。Lens Type：f/1.1。Size(w×l×h)：10.50×12.70×7.14 mm。Weight：0.9 grams。Power Consumption：150 mW typical， 650 mW during shutter event， 5mW standby。Optimum Operating Temperature Range：-10℃ to + 80℃

。Description。This is a 100mm long 4-conductor cable with 1mm JST termination. It's designed to connect Qwiic enabled components together but can be used for other applications as well.。Each Qwiic Cable's wires have been color coded to Red， Black， Blue， and Yellow.。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.。。Features。Dimensions：100mm(3.93")Length

Description。This is a 200mm long 4-conductor cable with 1mm JST termination. It's designed to connect Qwiic enabled components together but can be used for other applications as well. The cable insulation is made from a highly malleable material making it more flexible than our original Qwiic cable particularly in tight spaces or enclosures.。Each Qwiic Cable's wires have been color coded to red， black， blue and yellow.。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.。。Features。Dimensions：200mm(7.87")Length

。Description。This is a 50mm long 4-conductor cable with 1mm JST termination. It's designed to connect Qwiic enabled components together but can be used for other applications as well. The cable insulation is made from a highly malleable material making it more flexible than our original Qwiic cable particularly in tight spaces or enclosures.。Each Qwiic Cable's wires have been color coded to red， black， blue and yellow.。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.。。Features。Dimensions：50mm(1.96")Length

Description。This is a 100mm long 4-conductor cable with 1mm JST termination. It's designed to connect Qwiic enabled components together but can be used for other applications as well. The cable insulation is made from a highly malleable material making it more flexible than our original Qwiic cable particularly in tight spaces or enclosures.。Each Qwiic Cable's wires have been color coded to red， black， blue and yellow.。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.。。Features。Dimensions：100mm(3.93")Length

LiPo/LiFe/LiHVバッテリーを2本同時にカンタン・急速充電! 家庭用のコンセント(AC100V)から、2本のバッテリーを同時に充電可能。 2つ充電ポートは独立しており、LiPoとLiFe、LiPoとLiHVなど、異なる種類のバッテリーを同時に充電できます。 充電できるバッテリーは、2または3セルのLiPo/LiFe/LiHVの3種類。ハイボルテージリポ(LiHV)にも対応。 バランスコネクタをつなぐだけで簡単にバランス充電が可能。コネクター差込口は一般的なJST-XHタイプを採用。

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。The SparkFun QwiicBus Kit comes with everything you need to get started with the SparkFun QwiicBus system in one handy package. The kit includes two QwiicBus EndPoints， one MidPoint and two 3ft Ethernet cables.。The SparkFun QwiicBus EndPoint is the fastest and easiest way to extend the range of your I2C communication bus. Both boards use NXP's PCA9615 IC， which converts the two default I2C signals into four differential signals， two for SCL and two for SDA. The differential signals are sent over an Ethernet cable， which attaches to the breakout through the on-board RJ-45 connectors The differential signaling allows the I2C signals to reach distances of up to 100ft. while still maintaining their signal integrity! 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.。The QwiicBus MidPoint works in tandem with the QwiicBus Endpoint so you can easily tap into it to drop in devices wherever you would like.。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 QwiicBus Guide

Description。The 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 Guide。Features。Pressure Type：Absolute。Operating Pressure：25psi(172.37kPa)。I2C Address：0x18。Accuracy：±0.25%。Voltage - Supply：1.8V-3.6V。Port Size：Male - 0.1"(2.5mm)Tube。Port Style：Barbless。Maximum Pressure：60psi(413.69kPa)。Compatible with a variety of liquid media。2x Qwiic Connectors

最先端のテクノロジーで革新的なデジタル充電器に進化!。最大充電 DC：200W、 AC：100W。・最大充電はDC電源で200W、AC電源は100Wに大幅にアップ!。パソコンとの接続でバッテリーの充・放電をグラフで確認!。・Type-Cケーブルでパソコンに接続しソフトウェア「Hitec Charge Master」を使用して充電プロセスを完全に制御!。 充電速度をカスタマイズしバッテリーの状態を監視できバッテリーの特性が解析可能。パフォーマンスを最適化してバッテリーの耐久性を延ばします。 また、ソフトウェアを使用して充電器のファームウェアのアップグレードで機能を向上させるも簡単に行えます。慣らし運転でモーターを完璧に調整。・ブラシモーターのブレークイン機能を装備。速度を変えカーボンブラシや整流子を細かく磨耗し、各部の連携をスムーズして、内部摩擦を軽減します。 モーター動作がより安定し、性能がアップします。(※別途でXT60⇔ワニ口 ケーブルが必要になります。)。カラー液晶になって使いやすいインターフェースになりました。また、日本語(カタカナ)・英語を始めとした複数言語に変更が可能。充実した付属充電用ケーブル付き!。・さまざまなバッテリーコネクターに対応できるように充電用ケーブルを付属しています。セット内容。X1 AC PLUS Ⅳ 充電器本体 。AC入力ケーブル 。XT60⇒ディーンズコネクター充電ケーブル。XT60⇒タミヤコネクター充電ケーブル 。タミヤ LiFe ⇒ JST-XHバランス変換コード。タミヤ⇔ミニタミヤコネクター変換コード 。日本語説明書

Description。The 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 Guide。Features。10x APA102C addressable LEDs driven by an ATTiny85。Default I2C Address：0x23(Adjustable to 0x22 via Jumper)。2x Qwiic Connectors

Description。It'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 a。55°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 Guide。Features。Operating Voltage：3V-3.6V。Current Consumption：～18mA。Field of View：55°x35°。Measurement Range：-40℃-300℃。Resolution：±1.5℃。Refresh Rate：0.5Hz-64Hz。I2C Address：0x33。2x Qwiic Connection Ports

Description。The Raspberry Pi 4 Desktop Kit includes everything you need to turn any monitor with an HDMI port into a desktop PC. A 64GB MicroSD card provides the capacity and speed needed to run most operating systems for the Raspberry Pi platform smoothly. The USB Type C wall adapter and Type-C to Type-C cable provide a modular power system for the Raspberry Pi 4. The heat sink case provides protection for the Raspberry Pi Board but also cools the major components allowing it to run smoothly during heavy usage. The Logitech K400 keyboard provides a plug and play HID solution for the system. Finally， we've included both an HDMI to Micro HDMI cable to interface to any HDMI monitors and our Qwiic Shim which allows for easily attaching any of our Qwiic Boards for adding another level to your desktop setup.。If you're looking to create a PC or Media Center with the Raspberry Pi 4， this is the kit for you. All the components were chosen and vetted to create the highest quality， least frustrating experience that allows the Pi to work to its full potential. The new 64GB card has blazing fast read write speeds that brings updates from half an hour down to 3 minutes when compared to our previous card. You'll struggle to find a more plug and play kit for the Pi that allows you to load the operating system of your choice.。Note：The Qwiic Shim is not intended to be used with the Heatsink case， as it prevents the case from properly connecting with the processor. The top of the case needs to be off should you use the Shim or utilize an extension header in conjunction with a Pi Hat.。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 Raspberry Pi 4 Model B Guide

Description。We 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 Guide。Features。White display。Operating Voltage：3.3V。Integrated RC oscillator。Maximum display segment numbers：128 patterns。13×3 matrix key scan circuit。16-step dimming circuit。I2C Addresses：0x70(0x71， 0x72， 0x73)。2x Qwiic connectors。2x Wall Mounting Points

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。Keypads 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 Guide。Features。Software Selectable Slave Address。Low Power ATtiny85 controller。Button Presses w/ Time Stamp。Default I2C Address：0x4B。2x Qwiic Connector

Description。The 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 Guide。Features。Operating Voltage：2.5-3.6V(3.3V recommended)。I2C Address：0x0A(Default)0x0B(Alternate via jumper select)。Load Voltage Range：12-280VAC。Max Current(Through Relay)：25A(240VAC with forced air cooling)。Zero Cross Trigger。Normally Open Circuit Only。2x Qwiic Connector