Build an "invisibe" expression pedal for your guitar with MCP41010 and Arduino Nano. It's awesome and simple. May the funk be with you.

Unlimited MIDI channels, XY plotter, faders, buttons, and settings. Also visual support with OLED display!

Using an Arduino Nano on an expansion board with push-buttons, one to play a sound and the other to select a sound effect from a WT588D.

Piezos used as contact microphones to activate LEDs and shine lights through Samba drums.

This project adds a "roger beep" function to any Icom amateur radio transceiver equipped with a 13-pin accessory port.