A 555 -Timer Based Motorcycle Alarm circuit

Posted on Feb 5, 2014

This circuit features an intermittent siren output and automatic reset. It can be operated manually using a key-switch or a hidden switch; but it can also be wired to set itself automatically when you turn-off the ignition. By adding external relays you can immobilize the bike, flash the lights etc..

A 555 -Timer Based Motorcycle Alarm circuit
Click here to download the full size of the above Circuit.

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