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Download and Install. Download, then rename the uncompressed folder to SIM800L. Go to arduino IDE Sketch >> Import Library >> add library... Select the folder SIM800L OR Place the SIM800L library ...
GSM-Based-Voltage-Alert-System-using-Arduino-SIM800L This project monitors voltage using a potentiometer connected to an Arduino. When the voltage reaches 4.8V or higher, the system automatically ...