Amazing $2 MP3 module has internal 4MB flash memory to hold ~3 minutes of MP3/WAV files plus an onboard 5W mono audio amplifier. Connect to PC via micro USB cable and this module shows up like a flash drive to load your MP3/WAV files. This video demonstration shows UART control via two different microprocessors. Additionally, this module has several direct access modes to trigger file play without a micro using multiple pushbuttons. For info on that, see [ Ссылка ]
