License: The 3-Clause BSD License
CATALEX MP3 Module CMD Byte used to PLAY and PAUSE and so on based on the data sheet Data Byte used to select file for example. Refer to the Catalex MP3 module data sheet for more information.
MP3 Play Next Song. Pulse to Initiate pin to play next song . Baud 9600 Connect RX to Arduiino Soft -UART TX. Connect TX to Arduino Soft -UART RX.
MP3 Play previous Song. Pulse to Initiate pin to play next song . Baud 9600 Connect RX to Arduiino Soft -UART TX. Connect TX to Arduino Soft -UART RX.
Play Song based on the number you put in Song ID pin . 1 to play first song. 2 to play 2nd song ...etc . Note that the files names should be like below in SD card. 001xxx.mp3 . 002xxx.mp3 . 003xxx.mp3.
Pulse on initiate pin to stop song.
As per data sheet .This command need to be initiated every power cycle. in my case The module worked without using it.
Start up single cycle play.