After uploading the code the Piezo will start making short beeps. On bright light the Piezo will only beep and on dark light it will be short. Some ideas for this experiment: Alarm for Lights in the ...

The Arduino Pro Mini used to control the traffic light is not only responsible for playing the tones through a piezo speaker, but as you might expect, for firing off the relays which ultimately ...

An Arduino Uno piezoelectric sensor detects changes in pressure, force, or acceleration through the generation of electrical signals by piezoelectric materials. It's utilized in applications such as ...

Piezo Trigger Switch circuit described here is a microcontroller-compatible shock/impact sensor switch ... Imagine the fun you could have building a drum kit and then rocking the house.This circuit ...