Automatic Turn-Off Control For Automobiles Circuit

Posted on Apr 22, 2012

When the ignition switch is on, relay K1 is energized continuously, and the headlights can be turned on. Turning off the ignition turns on timer IC1,which keeps IC1 energized for a time determined by Rl and CI. With the values shown approximately a 1 minute delay will result.

Automatic Turn-Off Control For Automobiles Circuit
Click here to download the full size of the above Circuit.

The values of Rl or CI can be changed to vary this delay time.

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