The examples in this guide are no longer supported. Please check out the Introducing Adafruit Trellis guide for CircuitPython and Python usage: https://learn.adafruit.com/adafruit-trellis-diy-open-source-led-keypad/overview
Adafruit Trellis is a great system for adding backlit keys to your own projects. Trellis' elastomer keypad acts as both an input and fully addressable LED display. You can even tile multiple Trellises together to form large, captivating displays.

Now there's a Python library to control Trellis from any computer with Python and I2C, like the Beaglebone Black or Raspberry Pi. Follow this guide for information on installing and using the Trellis python library.

This guide was first published on Feb 13, 2014. It was last updated on Feb 13, 2014.

This page (Overview) was last updated on Feb 12, 2014.

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