Once you catch voltage levels from a piezo disc, you can use it for countless applications. Even though the following is an entry-level piezo disc experiment with Arduino Uno, you can use the “piezo ...

While we normally see piezo elements being used to output audio, [Veedo] thought that they could be used in a more useful manner. He bought way too many piezo film tabs and decided to use them to b… ...

Piezo Trigger Switch circuit described here is a microcontroller-compatible shock/impact sensor switch module works on 5VDC supply. The whole circuit can be assembled on a 5×7 cm common circuit board.