You can install the Sim800L Arduino Library in the Arduino IDE by going to Sketch > Include Library > Manage Libraries, searching for "Sim800L" and clicking on the ...

The SIM800L Arduino Library is a simple and easy-to-use library for the SIM800L module, allowing for quick and efficient communication with the module using the Arduino platform. To use the library, ...

It is very easy to build an “SMS-controlled relay” with the help of a cheap GSM modem module and a small microcontroller board. Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty ...