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Automatic switch on or off relay

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jagansindia

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Hii

i want to automatic turn off or on device using microcontroller..

plz send me a schematic..

my idea is controller should detect the signal from the message length from gsm(nokia 3310) and should control the ON/OFF switch using realys..

provide me diagram and codes.. will be helpful

thanks in advance!!

with regards,
Jagan
 

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