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[SOLVED] vehicle ignition on and off problem

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bikashh

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hi friends,
i am trying to make on and off the vehicle using LPC2368 with below relay connection.but when the vehicle is on and i restart my device using sms the vehicle ignition gets cut off. do you people have any idea why this is happening.




thanks in advance
 

C29 - 1mF=1000uF

I don't like it there ..

IanP
:wink:
 

will try and let u know

thanks for the reply
 

the higher value capacitor may give reverse spike to other sections like GPS module connected to it
 

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