An Arduino Micro/Leonardo (ATmega32U4) board or an Arduino Nano ESP (ESP32) board. Most ATmega32U4 boards work, but you need to verify that they support keyboard emulation; ATmega328P boards like ...

When looking through existing Arduino drum kit projects, [joekutz] noticed that most of them just used the microcontroller as an input for an existing MIDI device. That’s fine if you’re just looking ...