i had MP3 Serial Port module. when the sd card enterd mp3 files are paly. but i cant controll volume, next song, etc... what are the serial command. how it do.pls help me
when i try in softwear serial code. i got below reply from module when insert and removeing SD card and pendrive
my module in below picture
what are the serial command.
How should we know? Post a link to the hardware, not a picture of the hardware.
this is the module
this is the link of module
Hello and welcome,
Link to documentation in chinese: http://pan.baidu.com/s/1c00Ex9Y
You can download the pdf and use google translator... Or maybe contact the vendor and ask for english documentation...