MPD_buttons.md

Inputs/Output:

GPIO.BCM used:[4,17,18,27,22,23]

toggle  = grey    on GPIO 4
prev    = brown   on GPIO 17
seek-5% = violet  on GPIO 18
seek+5% = black   on GPIO 27
next    = white   on GPIO 22
stop    = orange  on GPIO 23
LED     = green   on GPIO 24