Converting Piano Toy to MIDI Keyboard.
How to turn kids' old piano toy to a MIDI keyboard
Inspired by http://www.codetinkerhack.com/2012/11/how-to-turn-piano-toy-into-midi.html I did the same with a Blue Pill module using Mbed.
The old toy was capable to play only one tone at a time:
A bit of reverse-engineering was needed to re-use the original printed boards. The results are below.
Original PCBs with switches traced to the connector pins:
Works great when connected over an USB cable to a Linux Ubuntu 18.04 machine
Yoshimi: An excellent MIDI software synthesizer for Linux.
Patchage: Provides a graphical interface to connect jack and midi inputs and outputs.
How to use it:
- Connect the Keyboard to the PC over an USB cable.
Patchageand connect the
Mbed USB Audio MIDI 1output to
Yoshimi's input (drag
Mbed Audio MIDI 1over
yoshimi inputand drop)
- To apply the changes close the
Yoshimi's toolbar click on
Show Stored ...
- Select a bank and click on the instrument you'd like to play.
Have fun :-)