Sound system for MP3, radio, bluetooth playback.
This system is a simple, cheap solution that offers satisfaction for the home.
Allows the listening in 2 external speakers(2X15W) of the following:
-MP3 sound from stick or microSD card.
-Audio playback of radio signals in the 88-108MHz range.
-Audio playback via bluetooth from any source that has this feature.
-Audio amplification from a low level audio source on the AUX input.
In this repository there is the electrical diagram, the wiring (Express PCB) and some photos necessary to understand how it was built. More to https://www.instructables.com/id/Home-Sound-System/