Stay inspired and get fresh updates
Make a trip wire that beeps when someone walks into it.
With a few easy steps build a trip wire!
Solder a wire to one terminal of a beeper or buzzer.
Complete the circuit by soldering a wire that connects the remaining terminals of the battery pack and the beeper/buzzer.
Make: and Maker Faire are registered trademarks of Maker Media, Inc. | Make: Site Map
Copyright © 2004-2015 Maker Media, Inc. All rights reserved