# Classic Trellis


- [Portable Trellis Sound Board](https://learn.adafruit.com/portable-trellis-sound-board.md)
- [UNTZtrument: a Trellis MIDI Instrument](https://learn.adafruit.com/untztrument-trellis-midi-instrument.md)
- [Trellis Python Library](https://learn.adafruit.com/trellis-python-library.md)
- [Introducing Adafruit Trellis ](https://learn.adafruit.com/adafruit-trellis-diy-open-source-led-keypad.md)