All it takes is an Arduino Nano R3 or comparable microcontroller, an RGB LED ring with 12 LEDs, a 16×2 LCD, a buzzer, and a momentary push button switch. Interestingly, there aren’t successive ...

This functionality enables you to use the board (connected to some push buttons ... weighs about 13 g. The Nano, on the other hand, comes in the smallest form factor Arduino offers, with the ...

The electronics for this build include a printed circuit board that serves to break out the connections on an Arduino nano to a dozen arcade push buttons, four slide pots, two rotary pots ...