14-11-2010, 08:45 AM
circuit diagram of sim card based prepaid energy meter using microcontroller
14-11-2010, 08:45 AM
circuit diagram of sim card based prepaid energy meter using microcontroller
18-11-2010, 12:57 PM
pls go through the below thread for more details on 'sim card based prepaid energy meter using microcontroller' https://seminarproject.net/Thread-prepai...gsm-mobile |
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