Total cost (excluding piano and tablet) should be 75-100 USD Disclosure: All of the links above are affiliate links, which means that without additional costs for you, I will earn a commission if you ...
MIDI2Neopixel_ESP32BLE - piano LED visualizer for esp32. This is a modified fork of https://github.com/stanoba/MIDI2Neopixel. MIDI2Neopixel_ESP32BLE is a simple piano ...