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Automotive circuit automatically turn off the device

2017-08-15 17:21  
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When the ignition switch is turned on, the headlights can be opened, the relay K1 is energized continuously. When the ignition switch is turned off, and keep communicating timer IC1 IC1's power. Rl and CI determined by the one time. With the values ??that will result in a delay of about one minute.

Automatic Turn-Off Control For Automobiles Circuit 
 

The timedelaycan be changedby varying thevalues ??ofRl,orCI.

 



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