I’d like to make a version of the Tonewood Amp from open source components. This should be doable using:

* Raspberry Pi Zero running Guitar ML effects processor and reverb tone profiles
* speaker hat with 3W output, microphone preamp
* guitar string pickup
* 3W 4ohm vibration transducer
* LiPo battery with 3.7 to 5V buckboost
* small OLED display to show current effect setting
* rotary encoder to toggle between effects
* rotary encoder to adjust effect levels / characteristics
* on/off Switch
* neodymium magnets to mount the device on guitar back