Sequencing a Motor with a CD4040

[analogoutput]

There’s also the Electrophone:

Mikrophone no piezo Stripboard working

You can plug a guitar to the input as there is enough gain to get the level - I tried it with a little electric lap steel guitar. Tom Whitwell also designed the Electrophone which has a guitar pickup mounted on the panel. It may or not be something to try - Check out his vid: https://youtu.be/2JwwlLcU29s All the Modular Music Thing stuff is opensource with scematics etc on github. Good luck with the build