A beeper is an essential element of a modern car’s reversing system. When used in conjunction with a distance sensor (see the next project chapter), a system which beeps when you get near an object is an incredibly useful utility. This project introduces a piezo element to produce beep sounds, and the associated logic and application routes to do so.
Piezo Connection
This project uses a piezo element to produce the beep sound. Piezo, or piezoelectric elements
, generate a charge from electrical ...
