Progress

Finally found some time to do a basic test of automated percussion [OK…I basically made a doorbell :)] will scale up to 5-6 bowls soon:

6 wired bowls would either require an unwieldy amount of wiring or a very elaborate stand system, so I decided to try making them wireless and stand free (wireless stands may end up making the most sense if I can’t isolate the vibration from the mechanism well enough).

This setup is an unholy Frankenstein but I was able to cut the wires completely, now need to replace the 16 relay board with a single relay, a smaller controller, isolate vibration, etc. etc.

Interestingly, 12v series setup of AAA batteries was unable to supply enough current to run the solenoid properly so I had to patch another one in parallel.