Here's the goal. I have these nice, big 20mm momentary switches I want to wire to this circuit board, which is a bluetooth amplifier board. I've broken off the cover of one of the momentary switches, to expose the contacts underneath the button. See: http://ift.tt/2yNi1eI My current thoughts: 1) Looking at the traces there seems to be common 'ground' for all the buttons, so I should only need so solder one ground wire, and I can use that as ground for all the buttons right? This feels like it should work, thrilled to be wrong.2) Would it be better to solder to the contacts inside the button or to the ones attaching the button to the PCB?3) Are the four little 'feet' on each button electrically connected, or do I need to particular about which 'foot' I solder to?4) What am I not thinking about?Thanks in advance for your help, this hopefully will end up as part of a Halloween Costume. via /r/DIY http://ift.tt/2ihyqB2
