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Basically just a tripwire based switch made from stuff lying around the house. Can also be used as a remote switch for things you don't want to be ...
Clothes Peg Thin copper plate Thin card/ plastic String/ invisible thread Crocodile clips Wire Superglue Battery Device you want power Pen knife or some other kind of cutting ...
Cut the copper plate to size. You need two pieces, roughly the same size, big enough to stick to the inner jaws of the peg and have some ...
Get your piece of card/ plastic and cut to a decent size. Big enough to seperate the jaws of the peg without the copper pads touching each other. ...
Insert the card/ plastic break into the peg jaws. Attach the crocodile clips to the pads. The other end of the clipped wires, it is up to you. ...
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