7fc43402 2efb 4f27 9763 e788d858d304

invention

Drawer Alarm

by littleBits

Published on April 23, 2014

How can you design a system to prevent someone from going through your things?

How To Make It

STEP 1

Start with the circuit: Power + roller switch (in open mode) + wire + vibration motor Don't forget to turn on the circuit

STEP 2

Insert the vibration motor into the jingle bell. What other materials will make a loud noise?

STEP 3

Tape the circuit to the inside of the drawer. Make sure the roller is above the drawer.

STEP 4

Protect your things!

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