{"product_id":"2-pack-mpr121-breakout-module-v12-proximity-keyboa","title":"2 Pack MPR121 Breakout Module V12 Proximity Keyboard Capacitive Touch Sensor I2C Controller With 12 Electrodes And Simulated Thirteenth Electrode, LED Driving Pins, Low Power Operation 1.71V-3.6V","description":"\u003cdiv\u003eTwo-Pack MPR121 Breakout: 12-Electrode Capacitive Touch\u003cbr\u003e\n✔️ I2C 12-electrode touch sensing with LED drivers, 1.71-3.6V \u003cp\u003eThe MPR121 breakout module is a compact capacitive touch sensor controller that supports up to 12 electrodes plus a simulated 13th. It features 8 LED driving pins and uses I2C for easy integration with microcontrollers. This board is ideal for DIY keyboards, touch panels, and handheld controllers where small size and low power matter.\u003c\/p\u003e ✅ 12 capacitance sensing inputs for touch detection \u003cbr\u003e\n✅ 8 multifunctional pins for LED driving or GPIO \u003cbr\u003e\n✅ I2C interface with interrupt output for responsive control \u003cbr\u003e\n✅ Auto-configuration and auto-calibration per input \u003cbr\u003e\n✅ Low power operation with 3 µA stop mode and 29 µA at 16 ms \u003cbr\u003e\n✅ Supply voltage range 2.5-3.6 V (no onboard regulator) \u003cbr\u003e \u003cp\u003e💡 What is a capacitive touch sensor controller used for in electronics projects?\u003c\/p\u003e\n\u003cp\u003eHandy for adding touch input to keyboards, panels, and handheld gadgets. I2C interface makes wiring simple and auto calibration keeps sensing reliable.\u003c\/p\u003e\n- Handy for keyboards and panels\n- I2C interface simplifies MCU wiring and data exchange\n- Auto-calibration improves reliability over time\n- Low power operation supports battery-powered designs\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48113919131883,"sku":"VXB06XXYZPPX","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61bDU8VDkqL.jpg?v=1776602507","url":"https:\/\/vxb.com\/products\/2-pack-mpr121-breakout-module-v12-proximity-keyboa","provider":"VXB Bearings","version":"1.0","type":"link"}