Presure Switch Alarm

An alarm to keep intruders out for practicly no money! Very effective and scares intruders. Extremly easy, maybe to easy.

Gather your things.

Ok you will need:
One medium sized piece of cardboard-strong not flimsy.
An alarm or piezo or hor or somthing that makes loud noise.
One short piece of wire.
A battery holder FOR THE CORRECT VOLATGE
A battery OF THE CORRECT VOLTAGE I’m saying this because I used a nine volt and it blew out my alarm, make sure your alarm can handle your voltage.
Siccors and electricle tape or transparent tape will work fine.
And Alluminum foil.

Folding The Cardboard

Thats it fold the cardboard in half.

Cutting The Foil

Cut the foil to the width of your cardboard.

Tapeing

N…

By: robotix

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