This was made as part of a Ghostbusters DIY costume for Halloween 2024.
The code and electronics demonstrates how music can be played from a microSD card using an Arduino Uno (an ATmega328P-based microcontroller), a DFPlayer Mini MP3/WAV audio decoder, a 30mm 2-watt speaker, and a 9-volt battery.
Click the image link below to see a video of it in action.
