A simple and small music box with customizable tunes. Parts involved? Arduino Micro, buzzer and a switch.
Using a processor, some code and electrical tape, we can bring Sans from Undertale to life. You're gonna have a bad time...
Build an ON-OFF circuit using MOSFET
This project demonstrates the use of a switch in order to turn off and on the pixels on a Circuit Playground Express board from Adafruit.
A portable lightweight box that plays music and a light show when it is turned on.
I created a box that lights up green when people are speaking at a acceptable level. It flashes red and plays siren when people yell at it.