[How to do instruction] Use hardware momentary switches to control moOde

[remy1961]

Hardware momentary switches can be used to control the play, pause, next, previous functions of moode. They can also be used to power off and to launch a playlist
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Thank you for the code. It works perfectly, but only if some blanks are removed before 
"        elif voldown_switch == False:"

Correction made. Thanks.
Remy