Hi everyone, I'm working off a blog trying to build up my understanding of the Arduino in an attempt to build a pushbutton-controlled MP3 player for my toddler. This particular sketch features 10 buttons, but the sketch author failed to explain what it is supposed to do. If anyone has an idea by lo…

push button code - missing purpose

LarryD April 21, 2018, 8:56pm 9

The power rails of your breadboard are split in the middle.

Jumper them.