MPR121 12 ch Proximity Capacitive Touch Sensor Controller with I2C for Arduino and Raspberry Pi

12 Capacitance sensing input, 8 inputs are multifunctional for LED driver and GPIO

Operating voltage:1.7V to 3.6V

Current needed: 39μ and 3μA in stop mode

Complete Touch detection:

-Auto-configuration for each sensing input

-Auto-calibration for each sensing input

-Touch/Release thershold and debounce for touch detection

I2C interface wtih interrupt output

Operating temperature: -40°C to +85°C