Programmable Control For Home Safety via GSM Remote

  
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How to turn on equipment by sending SMS `1111` ON `and switch off the equipment by sending SMS` 0000 GSM Switch will receive instructions either load 1 (L1), load 2 (L2), load 3 (L3) or load 4 (L4). Then the GSM Switch will send the four load status is ONor OFF either. Skematiknya are as follows
Programmable Control For Home Safety via GSM Remote - schematic




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