This is the Adafruit CAP1188 I2C/SPI 8-chan Capacitive Sensor
Tested and works great with the Adafruit CAP1188 8-Channel Capacitive Sensor
These sensors use I2C/SPI to communicate, 2+ pins are required to interface
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Written by Limor Fried/Ladyada for Adafruit Industries BSD license, check license.txt for more information All text above must be included in any redistribution
To install, use the Arduino Library Manager and search for "Adafruit CAP1188 Library" and install the library.