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thx Alex ur circuit is easy :)
but the number of transistor (npn) and it's current .
paulfjujo thx 4 ur replay but need to explain ur idea more
if can put some circuit's
thx tpetar
but need block diagram of internal modue of GSM
and steps to send or receive SMS or call ? or the path of data flow to the BTS from sensor or external micro controller or BTS to GSM ... to external micro controller .
and how to use at commands to send sms or make a call ?
what's...
hiiiii
plz need some help and support to understand how the GSM module works?
what is inside the GSM module " GM862"?
what's the steps to send or receive SMS or call ?
what 's the function of AT commands ?
thx plz help me . :)
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