Seeed Studio (101020534) Capacitive I2C Touch Sensor, 12 keys, 3.3V / 5V

Product Information Accessory Type: Capacitive I2C Touch Sensor Board Product Range: - Product Overview Grove - 12 Key Capacitive I2C Touch Sensor V2 (MPR121) is a multichannel proximity capacitive touch sensor. It's a 3-in-1 module with the following features: capacitance sensing, touch sensing. Internal 10-bit ADC Integrated independent auto calibration for each electrode input Completely independent electrodes with built-in auto configuration I2C interface, with IRQ Interrupt output to advise electrode status changes Hardware configurable I2C address 12 electrodes/capacitance sensing inputs in which 8 are multifunctional for LED driving and GPIO Auto configuration of charge current and charge time for each electrode input Separate touch and release trip thresholds for each electrode Dimension is 60mm x20mm x7mm