I am still receiving many requests to post an Arduino Sound Machine project. I think now is the right time to prepare a primer for beginners. First, keep your expectations low, as I don’t have ...
Grove-Serial MP3 Player is a kind of simple MP3 player device whose design is based on a high-quality MP3 audio chip---WT5001. It can support 8KHZ~44.1kHZ sampling frequency MP3 and WAV file formats.
The MP3 module has a 4 pin connector. VCC, GND, RX, TX. for serial communication cross the RX to TX between the module and the ESP32.