Contact Microphone Case

It's super easy to build a contact microphone to "electrify" your instruments. And I mean "instruments" in a very broad sense.

Just get a piezo element. Solder wires to it and connect to an amplifier.

My case is for a 20 mm piezo and is designed to be screwed in place. You can also fasten it with zip ties, Velcro or plain tape.

I use hot-glue to fix the microphone to the case. Try to minimize the amount of bubbles in the glue, since it can distort the sound.

The small tabs on top wil