Annoying parents alarm

by BenShaer May 31, 2013

This alarm beeps when people get close to it.
This way, you can just annoy your parents and family, surprising them when they come to your bedroom.
Use it like you want!

Bits used: buzzer, motion trigger, power , toggle switch, wire

Difficulty: Easy





  1. 1

    Sort out all your bits

  2. 2

    Connect the wires all together, then, one of them to the power

  3. 3

    Connect the toggle switch to the opposite end of the wire

  4. 4

    Connect the motion trigger to the toggle switch

  5. 5

    Finally, add the buzzer at the end

Bits used (7)


Or add this bundle to get all these bits and more for a price savings

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