Hello friends, Today I make GSM light control system by using old keypad mobile. No need to buy GSM module from market, Use old mobile. This system turn ON/OFF light or any electronic appliances by single mobile call or miss call.
For making this project I am using:-
Arduino UNO R3
Mobile Phone
12 Volt Relay
Bd139 Transistor
2.2k Resistor
Jumper Wires
BreadBoard
79 projects • 51 followers
I am Arduino programmer, also expertise in ESP32 and 8266 wifi modules.
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