Door Beep

by legitBits

Published on October 20, 2017

It alerts you if there is somebody going into your room.

How To Make It

STEP 1 :

1dbe639d 1ff6 4d8e b549 aaca6d5f7237

Make the circuit.

STEP 2 :

0ed07f40 51b6 4443 9105 f58ac47a4b7f

Tape the ends of the alligator clips to the battery.

STEP 3 :

0940a944 9978 4d67 9b64 c7451afc8c17

Tape aluminum foil to the bottom of the door.

STEP 4 :

C5f1bbd0 f81f 4938 bf06 9551b51da6bf

Arrange the positions of the battery and aluminum foil so the circuit buzzes when the door opens.