The module can be used as a standalone module with attached battery, speaker and push buttons or used in combination with an Arduino or any other microcontroller with serial communication (UART) ...

By design, MP3 players are very modern looking devices, but if you'd like a little more retro flair, electronics blog Arduino Guay shows how to build ...

An Arduino on the build queries a GPS module and selects the audio file from an MP3 playback module. This isn’t uncommon, and a lot of large outdoor museums (think battlefields) have similar setups.

An Arduino on the build queries a GPS module and selects the audio file from an MP3 playback module. This isn’t uncommon, and a lot of large outdoor museums (think battlefields) have similar setups.