For a guide on how to do this, please see this log.

The latest keyscan Arduino code can be found in the project's Github repository here.

Even though each vintage toy piano may have a slightly different construction for it's keyboard mechanism, the way I have done it in this project should be able to apply to most constructions.

For a guide on how to do this, please see this log.

Feel free to ignore the last part about connecting the circuit to the BeagleBone Black - this will be covered in a later instruction.