Hello. I have the dfplayr with a picaxe 18M2. This is to play a mp3 (20-30 sec. duration) file every 20 minutes. Here below is the code by spe035.pdf for multiple files.
...
For varA = 1 To 9
SerTxd("Play MP3 folder song 000", #varA, CR, LF )
cmd = $12 : arg = varA : Gosub Send
Pause 1000
Do...