8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module sold2025 Contact Diameter: 2

Contact Diameter: 2

Recommended for Indoor Use Only

Active Digital Capacitive Pen for Amazon Fire HD 10 Tablet

Part # WE4M325

8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module sold2025 Contact Diameter: 28PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module Product Features The 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. Low power operation, 1. 71 V