Introduction: Security Alarm

Picture of Security Alarm

make the switch with the help of cloth pin by taking them apart. drill them at top so that we can crimp the wire with ring terminal.then fold the ring terminals at 90 degree angle.Make sure that after joining the cloth pin they should touch each other.

keep the switch apart. Attach the wires to the buzzer and join the wires to 9v battery connector with battery. Then join the wires of battery to the wires of that switch and attach that whole system on a board.

                                                                            NOW ITS READY TO USE AND SECURE YOUR THINGS


dadu2007 (author)2014-01-14

Hello, very good work .. Where can I buy the horn .. May be in some Chinese site?

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