{"product_id":"mpr121-breakout-v12-capacitive-touch-sensor-controller-module-i2c-keyboard","title":"MPR121 Breakout V12 Capacitive Touch Sensor Controller Module I2C keyboard","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eMPR121 Breakout V12 Capacitive Touch Sensor Controller Module I2C keyboard\u003c\/span\u003e\u003c\/h2\u003e\nThis MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode The MPR121 also features eight LED driving… pins, when these pins are not configured as electrodes, they may be used to drive LEDs. There a four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to the ground, meaning the default I2C address of the chip will be 0x5A. If you need to change the address of the chip (by shorting ADD to a different pin), make sure you open the jumper first. Jumpers also connect SDA, SCL, and the interrupt pin to 10k pull-up resistors. If you do not require the pull-up resistors you can open the jumpers by cutting the trace connecting them.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eModel No.: MPR121\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMaterial: Alloy + Plastic\u003c\/li\u003e\n\u003cli\u003eInterface: I2C\u003c\/li\u003e\n\u003cli\u003eDimensions: 30 x 20 x 2 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eCapacitive touch sensor with I2C interface.\u003c\/li\u003e\n\u003cli\u003eControls up to 12 electrodes + 1 simulated.\u003c\/li\u003e\n\u003cli\u003eEight LED driving pins.\u003c\/li\u003e\n\u003cli\u003eConnects to MCU\/MPU via I2C bus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eApplications :\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTouch-based input for interactive projects\u003c\/li\u003e\n\u003cli\u003eCapacitive touch keyboards and keypads\u003c\/li\u003e\n\u003cli\u003eSmart home control panels\u003c\/li\u003e\n\u003cli\u003eGesture-based interfaces\u003c\/li\u003e\n\u003cli\u003eWearable electronics and IoT devices\u003c\/li\u003e\n\u003cli\u003eGaming and multimedia controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eL x W x H (mm): 30 x 20 x 2\u003c\/li\u003e\n\u003cli\u003eWeight (gm) : 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x MPR121 Breakout V12 Capacitive Touch Sensor Controller Module I2C keyboard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":40708928929973,"sku":"KG517","price":115.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/MPR121BreakoutV12CapacitiveTouchSensorControllerModuleI2Ckeyboard_1.jpg?v=1739273717","url":"https:\/\/kitsguru.com\/de\/products\/mpr121-breakout-v12-capacitive-touch-sensor-controller-module-i2c-keyboard","provider":"KitsGuru","version":"1.0","type":"link"}