The time-honoured quick and dirty approximation to that is to add a single solenoid to the keyboard and have it actuate every time a key actuates: https://youtu

The time-honoured quick and dirty approximation to that is to add a single solenoid to the keyboard and have it actuate every time a key actuates: https://youtu.be/1qw6ebySet0?t=305 https://youtu.be/1qw6ebySet0?t=305