Capacitive Touch Kit For Arduino

A capacitive touch sensor kit for Arduino based on the MPR121 touch controller. Includes three interchangeable touch pads — a scroll wheel, a keypad with backlight support, and a grid pad for gesture and pattern recognition. The MPR121 provides sensitive capacitive detection over an I²C interface at 5V.

Key Features

• MPR121 Touch Controller – Sensitive capacitive touch detection
• Three Touch Pads – Scroll wheel, backlit keypad, and grid pad included
• 5V Operation – Arduino compatible
• I²C Interface – Simple connection to Arduino and other microcontrollers

Ideal For

• Adding touch input to Arduino projects
• Custom control interfaces (scroll, keypad, gesture)
• Interactive installations and displays

Package Contents

• 1× Control unit (MPR121)
• 1× Wheel pad
• 1× Keypad
• 1× Grid pad
• 1× Connection cable

Resources

• Product Wiki
• MPR121 Datasheet
• Schematic
• Arduino Library
• Layout and Dimensions