Capacitive Touch Kit for Arduino

The kit from DFRobot consists of a controller with the MPR121 chip and three capacitive touch panels: an iPod-style wheel, a keypad with 12 keys that supports backlighting, and a grid pad that returns the X-Y position. The controller connects to an Arduino via I2C.

Features:

• Controller with MPR121
• iPod-style touch wheel
• Touch keypad with 12 keys, supports backlighting
• Touch grid pad, returns the X-Y position
• Cable set included

Application Examples:

• Control panels without mechanical buttons
• Entering numbers and codes
• Volume or menus with the touch wheel

Documentation:

• Wiki DFRobot
• Schematic (PDF)
• Datasheet MPR121 (PDF)

Technical Data:

• Chip: MPR121
• Interface: I2C
• Operating voltage: 5 V
• Sensor type: capacitive
• Keypad: 12 keys
• Weight: 60 g

Scope of Delivery:

• 1× MPR121 controller
• 1× Touch wheel
• 1× Touch keypad
• 1× Touch grid pad
• 1× Cable set