Here is Simple and low-cost electronic circuit project for car backup alarm, this project make is very easy. The brake lights of the automobile trigger this circuit on and off.
Car Backup Alarm Circuit Diagram:
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 Diagram:
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.
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