A few days ago, one of [Severin]’s SD cards died on him, Instead of trashing the card, he decided to investigate what was actually wrong with the card and ended up recovering most of the data ...

The loudspeaker output pins (SPK_1 and SPK_2) of the module are routed to a small loudspeaker. After copying some MP3 files to the SD card and uploading the Arduino Sketch, you can see that the red ...