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Control a 12V Lamp via SMS with Arduino
This project uses the SIM900 GSM shield to receive and send SMS with the Arduino. This projects aims to:
- turn a 12V lamp on when you send an SMS to the Arduino with the text “ON”
- turn a 12V lamp off when you send an SMS to the Arduino with the text “OFF”
- you can request the lamp state by sending an SMS to the Arduino with the text “STATE”, the Arduino should reply back with the text “lamp is on” or “lamp is off”