How-to-Make-a-Ridiculously-Cheap-Analog-Pressure-S.jpg

There are lots of ways to make homebrew pressure sensors, but this method from Instructables user hiskeyd is the easiest I’ve seen: Jam two stripped wires into a piece of static dissipative foam and bend the ends over to keep them from pulling out. Then coat the whole thing in Plasti-Dip. And you’re done.

More: