Sunday, July 15, 2012

Car Backup Alarm Circuit

The brake lights of the automobile trigger this circuit on and off. This save the annoyance of the alarm when it is not needed. This is an older circuit which was published in Popular Electronics Magazine, but still a good circuit today.
Car backup alarm circuit
Car backup alarm circuit diagram

Electronic Circuit is a good site for hobbyist also who would like to try DIY because it shared good circuits.