Arduino driver for GSM/GPRS module SIMCom SIM800L to make HTTP/S connections with GET and POST methods This is a comprehensive Arduino library to make HTTP or HTTPS communication through the SIMCom ...

After learning how to use sim800l module in my previous project, I decided to create a GPS tracker using the Arduino platform. This project combines a SIM800L module for communication and a Ublox ...

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 ...

I've got a couple of SIM800L modules in remote devices that have been running for years. A few days ago both stopped registering with the (One NZ) network at the same time, and no longer connect at ...