8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module
$11.99
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 to 3.6 V supply operation.
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8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module
$11.99