How would YOU go about making a button pad circuit without PCBs. You have a calculator button pad with the little conductive circles on the other side. How would you make the circuit for it... without a pcb. Aluminum foil? Pencil lines? I was thinking about this when I searched through my junk b…

How would YOU go about....?

cowjam June 24, 2010, 3:23pm 7

Well I did say I was ignoring the 'clean' bit

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