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MPR121 Capacitive Touch Keypad from Sparkfun.com
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README.md

MPR121 Capacitive Touch Keypad

Capacitive Touch Keypad MPR121 Capacitive Touch Keypad (SEN-12017)

The MPR121 capactiivie keypad uses the MPR121 and 12 touch sensitive pads to give you a simple 'keypad' with an I2C output. The board also has four mounting holes allowing it to be used as na input system in place of traditional buttons.

Note: This is uses 3.3V logic. You will want to use a logic level converter with this for 5V systems.

Repository Contents

  • /Firmware - Any firmware that the part ships with,
  • /Hardware - All Eagle design files (.brd, .sch)
  • /Production - Test bed files and production panel files

Version History

License Information

The hardware is released under Creative Commons Share-alike 3.0.
All other code is open source so please feel free to do anything you want with it; you buy me a beer if you use this and we meet someday (Beerware license).

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