About this item

The Adafruit 12-Key Capacitive Touch Sensor Breakout Board (MPR121) is a versatile module designed to add capacitive touch sensing capabilities to your projects. Utilizing the MPR121 chip, it supports up to 12 individual touch pads and communicates via I²C, making it compatible with various microcontrollers. The board features a 3.3V voltage regulator and I²C level shifting, allowing safe operation with both 3.3V and 5V systems. Additionally, it includes an interrupt (IRQ) pin with an onboard LED indicator to signal touch events. This breakout board is ideal for creating touch-sensitive interfaces in applications like user input devices, control panels, and interactive installations.