NOTE: This product has been retired from our catalog. If you are looking for more up-to-date info, please check out some of these resources to see how other users are still hacking and improving on this product.
The Gram Piano is a capacitive touch keyboard and soldering kit that allows you to create and play all the notes of the C major scale and outputs sound through a PCB Speaker. A different octave can be selected with the potentiometer. Pressing the on board button will start/stop playing a melody. Feel free to adapt the keys to play other notes/scales/melodies or perform tasks as you see fit.
This board was created in Eagle v6.0.5, this firmware was created in Arduino v1.5.2
- /Firmware - Firmware the board ships with.
- /Hardware - All Eagle design files (.brd, .sch, .STL)
- /Production - Test bed files and production panel files
- Hookup Guide - Basic hookup guide for the Gram Piano.
- vH10 Initial Redboards.
- vH05 Third protoboard run.
- vH04 Second protoboard run.
- vH03 First protoboard run.
The hardware is released under Creative Commons Share-alike 3.0.
All code is open source so please feel free to do anything you want with it under the Beerware license.