{"title":"Modules","description":"\u003cp\u003eBrowse our Modules collection. New Arrival.\u003c\/p\u003e","products":[{"product_id":"sparkfun-buck-boost-converter","title":"SparkFun Buck-Boost Converter","description":"\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"description-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cp\u003eThe SparkFun Buck-Boost Converter is a handy power accessory board that allows you to fine tune the amount of power your project receives. This converter can take an input voltage of anywhere from 3-16V which can then be regulated to an output voltage between 2.5-9V. With the switch on the bottom of the board, you can set the common output voltages of 3.3V and 5V, but we've also added a custom setting that allows you to solder a resistor based on your custom voltage needs. The GPIO pins have also been broken out along the top of the board for even more control!\u003c\/p\u003e\n\u003cp\u003eIn addition to the voltage control, the SparkFun Buck-Boost Converter uses a switching DC\/DC converter, which is more efficient than a linear regulator. More efficiency means less energy is wasted in the form of heat. With built-in overtemperature protection and an optional heatsink, you can achieve up to 95% efficiency rating.\u003c\/p\u003e\n\u003cp\u003eGet Started with the Sparkfun Buck-Boost Guide\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/lwYBnJvD5ss?si=CkfxeMf0RR59HrtT\u0026amp;start=22\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"features-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eInput voltage range of 3-16V\u003c\/li\u003e\n\u003cli\u003eOutput voltage adjustable from 2.5-9V\u003c\/li\u003e\n\u003cli\u003eThree selectable output voltages: 3.3V, 5V, or custom\u003c\/li\u003e\n\u003cli\u003eGPIO broken out for additional control\u003c\/li\u003e\n\u003cli\u003eOperating die temperature range of -40 to +125°C\u003c\/li\u003e\n\u003cli\u003eOptional Heatsink\u003c\/li\u003e\n\u003cli\u003eUp to 95% Efficiency\u003c\/li\u003e\n\u003cli\u003eOvertemperature Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"documents-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eSchematic\u003c\/li\u003e\n\u003cli\u003eEagle Files\u003c\/li\u003e\n\u003cli\u003eHookup Guide\u003c\/li\u003e\n\u003cli\u003e\nDatasheet (TPS63070)\u003c\/li\u003e\n\u003cli\u003eMaximum Output Current vs. Input Voltage (PNG)\u003c\/li\u003e\n\u003cli\u003eGitHub Hardware Repo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sparkfun","offers":[{"title":"Default Title","offer_id":53957897420984,"sku":"fnu1787258205540","price":10.56,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/sparkfun-buck-boost-converter_1.jpg?v=1787258213"},{"product_id":"4x4-keypad-discontinued","title":"4x4 Keypad [Discontinued]","description":"\u003cp\u003eCreate your own custom input device with this 4x4 keypad from Waveshare!\u003c\/p\u003e\n\u003cp\u003eThe keypad features 16 tactile \u003cspan\u003epushbuttons arranged in a 4x4 layout. The pin header is pre-soldered and labelled to help you write your own programs. There are also mounting holes for adding to your project\/enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease note that there isn't a pin per button for simple GPIO connections - code will need to treat this like a matrix (see examples in the link below).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eYou might need some jumper wires or a breadboard to go with it!\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eResources\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Wiki\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":53957897584824,"sku":"vvj1787258206986","price":2.16,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/4x4-keypad-discontinued_1.jpg?v=1787258215"},{"product_id":"sparkfun-qwiic-quad-relay","title":"SparkFun Qwiic Quad Relay","description":"\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"description-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cp\u003eThe SparkFun Qwiic Quad Relay is a unique power accessory board that has been designed for switching not one but four high powered devices from your Arduino or another low powered microcontroller using I\u003csup\u003e2\u003c\/sup\u003eC. Taking a look at the board, the Quad Relay has four individual relays rated up to 5 Amps per channel at 250VAC or 30VDC. Each channel also has its own uniquely coloured LED, silk for easy identification, and screw terminals for optional connection. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system!\u003c\/p\u003e\n\u003cp\u003eAt the heart of the SparkFun Qwiic Quad Relay is an ATtiny84 that takes various commands to toggle the four relays. The I\u003csup\u003e2\u003c\/sup\u003eC address of the ATtiny84A is software configurable so if you had the desire and power, you could daisy chain over 100 Qwiic Quad Relays. There is also a header that breaks out the four I\u003csup\u003e2\u003c\/sup\u003eC lines if you're not taking advantage of the Qwiic connectors. And last up, the barrel jack is rated for wall adapters in the range 7-12V but we have equipped this relay board with a jumper on the underside of the board if you want to use wall adapters at 5V.\u003c\/p\u003e\n\u003cp\u003eMessing with such high voltage is dangerous! We've included many safety precautions onto the PCB including, wide traces designed for high amperage, ground isolation between the relay and other circuitry, and a milled out area around the common pin of the relay. However, with all the safety precautions included with the SparkFun Qwiic Quad Relay, this is still a power accessory for users who are experienced around, and knowledgeable about high AC voltage. If that's not quite your jam, that's okay! Check out the IoT Power Relay, instead, to start learning how to use power relays easily!\u003c\/p\u003e\n\u003cp\u003eGet Started with the Sparkfun Qwiic Quad Relay Guide\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/XL7Gu8KlnPI?si=b8eHTOsRtJuf1_Ez\u0026amp;start=40\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cdiv class=\"center-block text-center\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"features-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eFour JZC-11F Relays\n\u003cul\u003e\n\u003cli\u003e5A at 250VAC, 30VDC\u003c\/li\u003e\n\u003cli\u003eEach relay has its own coloured LED and silk labels for easy identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSafety Features\n\u003cul\u003e\n\u003cli\u003eGround pour isolated from relays.\u003c\/li\u003e\n\u003cli\u003eAir gap around the common pin on the relays.\u003c\/li\u003e\n\u003cli\u003eLarge trace width on relay pins far exceeding the peak 5A current.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eATtiny84A\n\u003cul\u003e\n\u003cli\u003eI\u003csup\u003e2\u003c\/sup\u003eC commands for toggling individual relays or all the relays at once.\u003c\/li\u003e\n\u003cli\u003eI\u003csup\u003e2\u003c\/sup\u003eC commands for turning all relays off or on.\u003c\/li\u003e\n\u003cli\u003eTwo I\u003csup\u003e2\u003c\/sup\u003eC addresses\n\u003cul\u003e\n\u003cli\u003e0x6D (Default)\u003c\/li\u003e\n\u003cli\u003e0x6C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eI\u003csup\u003e2\u003c\/sup\u003eC address is software configurable.\u003c\/li\u003e\n\u003cli\u003eAll commands are listed in the example code.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eScrew Terminals\n\u003cul\u003e\n\u003cli\u003e26-14 Gauge AWG wire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower\n\u003cul\u003e\n\u003cli\u003eMax Current Draw ~250mA\u003c\/li\u003e\n\u003cli\u003eVin via Barrel Jack\n\u003cul\u003e\n\u003cli\u003e7V to 12V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eVin via Barrel Jack w\/ Bypass Jumper Closed\n\u003cul\u003e\n\u003cli\u003e5V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"alert alert-info\"\u003e\n\u003ch2\u003eRevision Changes\u003c\/h2\u003e\n\u003cp\u003eThe latest revision includes the following updates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncluded a normally closed jumper for the power LED.\u003c\/li\u003e\n\u003cli\u003eSwitching regulator in place of a linear regulator.\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eThe switching regulator is much more efficient; no external cooling needed when powering four relays at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eImproved circuitry around the relays.\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eAn issue where relays on certain boards in v1.0 didn't switch completely when actuated has been resolved.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"documents-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eSchematic\u003c\/li\u003e\n\u003cli\u003eEagle Files\u003c\/li\u003e\n\u003cli\u003eBoard Dimensions\u003c\/li\u003e\n\u003cli\u003eHookup Guide\u003c\/li\u003e\n\u003cli\u003e\nDatasheet (JZC-11F)\u003c\/li\u003e\n\u003cli\u003eQwiic Page\u003c\/li\u003e\n\u003cli\u003e\nArduino Library\n\u003cul\u003e\n\u003cli\u003eExample Code\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\nGitHub\n\u003cul\u003e\n\u003cli\u003eDefault Firmware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sparkfun","offers":[{"title":"Default Title","offer_id":53957897650360,"sku":"cry1787258208409","price":19.37,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/sparkfun-qwiic-quad-relay_1.jpg?v=1787258216"},{"product_id":"sparkfun-micromod-qwiic-carrier-board-double-discontinued","title":"SparkFun MicroMod Qwiic Carrier Board - Double [Discontinued]","description":"\u003cdiv id=\"description-tab\" class=\"tab-pane fade\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eThis 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!\u003c\/p\u003e\n\u003cp\u003eGet Started with the Micromod Qwiic Carrier Board Guide\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/9snKiVXC5Vc?si=otLqkFQjoYbUFSwL\u0026amp;start=81\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv id=\"features-tab\" class=\"tab-pane fade\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eM.2 MicroMod Connector\u003c\/li\u003e\n\u003cli\u003eUSB-C Connector\u003c\/li\u003e\n\u003cli\u003e3.3V 1A Voltage Regulator\u003c\/li\u003e\n\u003cli\u003eQwiic Connectors\u003c\/li\u003e\n\u003cli\u003eBoot\/Reset Buttons\u003c\/li\u003e\n\u003cli\u003eCharge Circuit\u003c\/li\u003e\n\u003cli\u003eEight 4-40 Inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x MicroMod Qwiic Carrier Board - Double\u003c\/li\u003e\n\u003cli\u003e1x Phillips #0 M2.5x3mm screw\u003c\/li\u003e\n\u003cli\u003e10x Phillips Head 1\/4in. 4-40 screws (for mounting additional boards to standoffs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cdiv id=\"documents-tab\" class=\"tab-pane fade\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cp\u003eHardware Documentation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSchematic\u003c\/li\u003e\n\u003cli\u003eEagle Files\u003c\/li\u003e\n\u003cli\u003eBoard Dimensions\u003c\/li\u003e\n\u003cli\u003eHookup Guide\u003c\/li\u003e\n\u003cli\u003eQwiic Info Page\u003c\/li\u003e\n\u003cli\u003eGitHub Hardware Repo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMicroMod Documentation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull MicroMod Range\u003c\/li\u003e\n\u003cli\u003e\nGetting Started with MicroMod\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigning with MicroMod\u003c\/li\u003e\n\u003cli\u003eMicroMod Info Page\u003c\/li\u003e\n\u003cli\u003eMicroMod Forums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sparkfun","offers":[{"title":"Default Title","offer_id":53957897879736,"sku":"ztb1787258210195","price":10.72,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/sparkfun-micromod-qwiic-carrier-board---double-discontinued_1.jpg?v=1787258219"},{"product_id":"sparkfun-micromod-qwiic-carrier-board-single","title":"SparkFun MicroMod Qwiic Carrier Board - Single","description":"\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"description-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cp\u003eThe MicroMod Qwiic Carrier Board can be used to rapidly prototype with other Qwiic devices. The MicroMod M.2 socket provides users with 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.\u003c\/p\u003e\n\u003cp\u003eThis 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!\u003c\/p\u003e\n\u003cp\u003eGet Started with the Mircomod Qwiic Carrier Board Guide\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/9snKiVXC5Vc?si=oNq-riHVxwF8Agf6\u0026amp;start=80\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"features-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eM.2 MicroMod Connector\u003c\/li\u003e\n\u003cli\u003eUSB-C Connector\u003c\/li\u003e\n\u003cli\u003e3.3V 1A Voltage Regulator\u003c\/li\u003e\n\u003cli\u003eQwiic Connectors\u003c\/li\u003e\n\u003cli\u003eBoot\/Reset Buttons\u003c\/li\u003e\n\u003cli\u003eCharge Circuit\u003c\/li\u003e\n\u003cli\u003eFour 4-40 Inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x MicroMod Qwiic Carrier Board - Single\u003c\/li\u003e\n\u003cli\u003e1x Phillips #0 M2.5x3mm screw\u003c\/li\u003e\n\u003cli\u003e10x Phillips Head 1\/4in. 4-40 screws (for mounting additional boards to standoffs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cdiv role=\"tabpanel\" class=\"tab-pane fade\" id=\"documents-tab\"\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cp\u003eHardware Documentation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSchematic\u003c\/li\u003e\n\u003cli\u003eEagle Files\u003c\/li\u003e\n\u003cli\u003eBoard Dimensions\u003c\/li\u003e\n\u003cli\u003eHookup Guide\u003c\/li\u003e\n\u003cli\u003eQwiic Info Page\u003c\/li\u003e\n\u003cli\u003eGitHub Hardware Repo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMicroMod Documentation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull MicroMod Range\u003c\/li\u003e\n\u003cli\u003e\nGetting Started with MicroMod\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigning with MicroMod\u003c\/li\u003e\n\u003cli\u003eMicroMod Info Page\u003c\/li\u003e\n\u003cli\u003eMicroMod Forums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sparkfun","offers":[{"title":"Default Title","offer_id":53957897912504,"sku":"xxm1787258210578","price":7.55,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/sparkfun-micromod-qwiic-carrier-board---single_1.jpg?v=1787258218"},{"product_id":"fermion-adkey-board-10-keys-breakout","title":"Fermion: ADKey Board -10 Keys (Breakout)","description":"\u003cdiv class=\"desc\"\u003e \u003cdiv class=\"desCon\"\u003e \u003cp\u003eThis ADKey board with 10 keys can be used to drive your DFPlayer Pro, DFPlayer Mini, or Voice Recorder Module without programming or using various resistors.\u003c\/p\u003e \u003cp\u003eIt offers 20 delicate button caps with a comfortable hand feel and is easy to be integrated into projects. You can also connect your favourite keys to the board through the welding pad on both sides.\u003c\/p\u003e \u003cp\u003eIn addition, this ADkey board can be used as the ADkey input of a main controller, by which it could expand 10 keys for your main-board via only one analog port.\u003c\/p\u003e \u003c\/div\u003e \u003ch2\u003eApplications\u003c\/h2\u003e \u003cdiv class=\"desCon\"\u003e \u003cul\u003e \u003cli\u003eDrive DFPlayer PRO\u003c\/li\u003e \u003cli\u003eDrive DFPlayer Mini\u003c\/li\u003e \u003cli\u003eDrive Voice Recorder Module\u003c\/li\u003e \u003cli\u003eMain-controller Button Expansion\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch2\u003eSpecification\u003c\/h2\u003e \u003cdiv class=\"desCon\"\u003e \u003cul\u003e \u003cli\u003ePower Supply: 3.3~5V\u003c\/li\u003e \u003cli\u003eKey Size: 6*6*7mm\u003c\/li\u003e \u003cli\u003eProduct Size: 40*40mm\/1.57*1.57”\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch2\u003eDocuments\u003c\/h2\u003e \u003cdiv class=\"desCon\"\u003e \u003cul\u003e \u003cli\u003eProduct wiki\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch2\u003eShipping List\u003c\/h2\u003e \u003cdiv class=\"desCon\"\u003e \u003cul\u003e \u003cli\u003eADKey Board-10 Keys x1\u003c\/li\u003e \u003cli\u003e2.54-3P Black Single Row Pin Connector x1\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":53957898010808,"sku":"gij1787258211368","price":1.8,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/fermion-adkey-board--10-keys-breakout_1.jpg?v=1787258219"},{"product_id":"adafruit-24lc32-i2c-eeprom-breakout-32kbit-4-kb-stemma-qt","title":"Adafruit 24LC32 I2C EEPROM Breakout -  32Kbit \/ 4 KB - Stemma QT","description":"\u003cp\u003eIf you want to store calibration values, MAC addresses, non-secure access tokens, or other unique identifiers, EEPROM storage is a great option. EEPROM is long lasting, and doesn't need to be written in pages - a single byte can be written at once (unlike with flash memory!) EEPROM storage persists even when the power goes out, and can be over-written literally one million times.\u003c\/p\u003e \u003cp\u003eSome microcontrollers, like the ATmega328, have built in EEPROM, usually around 64 to 1024 bytes of it. But some, especially ARM Cortex's, don't! What then? that's where this petite Adafruit 24LC32 I2C EEPROM Breakout comes in to help! With 32 Kbit (4 KByte) of storage, and handy chainable Stemma QT connectors, it's just the right amount of simple I2C-controllable storage. Since its external to your microcontroller or microcomputer, uploading new flash memory won't wipe the data from this chip.\u003c\/p\u003e \u003cp\u003eWe use the CAT24C32 (or equivalent) EEPROM, internally organized as 4096 words of 8 bits each. It features a 32 byte page write buffer (if you want to write faster than one byte at a time). Use 2 to 5V power\/logic and up to 1 MHz clocked I2C. The default I2C address is 0x50 and there are three external address pins \/ jumpers to allow addressing of up to eight EEPROM devices on the same bus.\u003c\/p\u003e \u003cp\u003eTo make things easier and a bit more flexible, we've also included SparkFun Qwiic compatible STEMMA QT connectors for the I2C bus so you don't even need to solder! Just plug in a compatible cable and attach it to your MCU of choice, and you’re ready to store and retrieve from a reliable and durable EEPROM. \u003cstrong\u003eQT Cable is not included\u003c\/strong\u003e, but we have a variety in the shop. \u003c\/p\u003e \u003cp\u003eFor Arduino usage, we recommend our FRAM\/EEPROM library\u003c\/p\u003e \u003ch2\u003eTechnical Details\u003c\/h2\u003e \u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSupports Standard, Fast and Fast−Plus I2C Protocol\u003c\/li\u003e \u003cli\u003e1.7 V to 5.5 V Supply Voltage Range\u003c\/li\u003e \u003cli\u003e32−Byte Page Write Buffer\u003c\/li\u003e \u003cli\u003eHardware Write Protection for Entire Memory\u003c\/li\u003e \u003cli\u003eSchmitt Triggers and Noise Suppression Filters on I2C Bus Inputs (SCL and SDA)\u003c\/li\u003e \u003cli\u003eLow Power CMOS Technology\u003c\/li\u003e \u003cli\u003e1,000,000 Program\/Erase Cycles\u003c\/li\u003e \u003cli\u003e100 Year Data Retention\u003c\/li\u003e \u003cli\u003eDefault I2C address 0x50\u003c\/li\u003e \u003cli\u003eProduct Dimensions: 25.4mm x 17.7mm x 4.5mm \/ 1.0\" x 0.7\" x 0.2\"\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53957898076344,"sku":"bbk1787258212532","price":2.36,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/adafruit-24lc32-i2c-eeprom-breakout---32kbit-4-kb---stemma-qt_1.jpg?v=1787258221"},{"product_id":"gravity-i2c-to-dual-uart-module","title":"Gravity: I2C to Dual UART Module","description":"\u003cp\u003eThis I2C to Dual UART module offers data transmission rates of up to 1Mbps, and each sub-UART has an independent 256-byte FIFO hardware buffer for transmitting and receiving.\u003c\/p\u003e\n\u003cp\u003eThe baud rate, word length and check format of every sub-UART can be set independently. The module provides 2Mbps maximum communication rate. At most four such modules can be connected onto one controller board to expand 8 hardware serial ports. This I2C to dual UART module is ideal for using with IoT modules, Ultrasonic ranging and GPS modules.\u003c\/p\u003e\n\u003cp\u003eThere are usually only 1 or 2 UARTs on Controller boards like the Arduino, \u003cspan style=\"background-color: white;\"\u003eRaspberry Pi\u003c\/span\u003e, micro:bit etc. And one of them must be used in program downloading or debugging. 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Example code is provided to make it simple to add EEPROM support to your projects.  \u003c\/p\u003e \u003cp\u003eTo learn more about the TinyDuino Platform, click here\u003c\/p\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003cp\u003e\u003cspan\u003eTo see what other TinyShields this will work with or conflict with, check out the \u003c\/span\u003eTinyShield Compatibility Matrix\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMicrochip 24FC1025 EEPROM Specs\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e128K x 8 (1 Mbit)\u003c\/li\u003e \u003cli\u003e128-Byte Page Write Buffer\u003c\/li\u003e \u003cli\u003ePage Write Time 5 ms Max\u003c\/li\u003e \u003cli\u003eWrite Endurance: 1,000,000\u003c\/li\u003e \u003cli\u003eData Retention: 200 Years\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTinyDuino Power Requirements\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan\u003eVoltage: 1.8V - 5.5V \u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan\u003eCurrent:\u003c\/span\u003e\u003c\/li\u003e \u003cul\u003e \u003cli\u003e\u003cspan\u003eStandby: 5uA\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan\u003eRead: 450uA\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan\u003eWrite: 5mA\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003eDue to the low current, this board can be run using the TinyDuino coin cell option\u003c\/li\u003e \u003c\/ul\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePins Used\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eA5\/SCL - I2C Serial Clock line\u003c\/li\u003e \u003cli\u003e\u003cspan\u003eA4\/SDA - I2C Serial Data line\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan\u003e20mm x 20mm (.787 inches x .787 inches)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan\u003eMax Height (from lower bottom TinyShield Connector to upper top TinyShield Connector): 5.11mm (0.201 inches)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan\u003eWeight: 1.11 grams (.039 ounces)\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003e\u003cspan\u003eDownloads\u003c\/span\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eTutorial\u003c\/li\u003e \u003cli\u003eMicrochip EEPROM product page\u003c\/li\u003e \u003cli\u003eDatasheet\u003c\/li\u003e \u003cli\u003eSchematic\u003c\/li\u003e \u003cli\u003eEagle Files\u003c\/li\u003e \u003cli\u003e\nSample Arduino code \u003c\/li\u003e \u003c\/ul\u003e","brand":"Tiny Circuits","offers":[{"title":"Default Title","offer_id":53957898338488,"sku":"hoq1787258217091","price":5.39,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/eeprom-tinyshield-discontinued_1.jpg?v=1787258225"},{"product_id":"microsdaudio-tinyshield-discontinued","title":"MicroSD\/Audio TinyShield [Discontinued]","description":"\u003cp\u003eThis TinyShield is designed specifically for the TinyScreen+ to allow for video playback in a very compact package.  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You can get a compatible microSD card here.  \u003c\/p\u003e\n\u003cp\u003eLearn more about the TinyDuino Platform\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003emicroSD Specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUses standard Arduino SD Card Library\u003c\/li\u003e\n\u003cli\u003eSupports most standard microSD cards and SDHC cards - \u003cstrong\u003ecards larger than 8GB may not work!\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVoltage: 3.0V - 5.5V \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCurrent: up to approximately 100mA while reading from microSD card \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePins Used\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSPI Interface for microSD card:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 - CS: \u003c\/strong\u003e\u003cspan\u003eThis signal SPI chip select for the microSD card\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11 - SCLK: \u003c\/strong\u003e\u003cspan\u003eThis signal is the serial SPI clock out of the TinyDuino and into the microSD card.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 - MISO: \u003c\/strong\u003e\u003cspan\u003eThis signal is the serial SPI data out of the microSD card and into the TinyDuino.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13 - MOSI:\u003c\/strong\u003e\u003cspan\u003e This signal is the serial SPI data out of the TinyDuino and into the microSD card.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA0 - DAC Output: \u003c\/strong\u003e\u003cspan\u003eAnalog output for audio amplifier\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 - IR Input: \u003c\/strong\u003e\u003cspan\u003eOutput signal from infrared receiver 6.8 3.6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e25.8mm x 25.0mm (1.02\" x 0.98\") Note: microSD car overhanges the edge by approx 3mm for easy removal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eMaximum height of board: 3.6mm (0.14\") \u003c\/li\u003e\n\u003cli\u003eThickness with TinyScreen+ attached: 6.8mm (0.27\")\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight (TinyShield only): 1.62 grams (0.06 ounces)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eDownloads\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTutorial\u003c\/li\u003e\n\u003cli\u003e\nArduino SD Card Library (built in the Arduino IDE)\u003c\/li\u003e\n\u003cli\u003eSchematic\u003c\/li\u003e\n\u003cli\u003eEagle Files\u003c\/li\u003e\n\u003cli\u003eCAD 3D and 2D FIles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eNotes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eThis TinyShield is designed specifically for the \u003c\/span\u003eTinyScreen+ and may not properly mate with other TinyShields or processor boards.\u003c\/li\u003e\n\u003cli\u003eThis does not include the microSD card (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tiny Circuits","offers":[{"title":"Default Title","offer_id":53957898436792,"sku":"fnw1787258218995","price":6.52,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/microsdaudio-tinyshield-discontinued_1.jpg?v=1787258227"},{"product_id":"nrf24l01-24ghz-radio-tinyshield-discontinued","title":"NRF24L01+ 2.4GHz Radio TinyShield [Discontinued]","description":"\u003cp\u003eThis radio TinyShield is based around the very popular Nordic NRF24L01+ radio transceiver. The TinyShield is set to operate at 2.4GHz, can transmit at up to 2Mbps, and is very easy to use. This transceiver allows for long-range communication between radios and is designed for an open field range of up to 100 meters, which makes this great for outdoor sensors or RC control of drones and vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA UFL antenna connection is included on the board, along with a 2.4GHz whip antenna\u003c\/strong\u003e. 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It can be controlled by a common IO interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: Driver Output\/Receiver Input. Non-inverting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB\u003c\/strong\u003e: Driver Output\/Receiver Input. 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