Place the SIM800L library folder into your \Documents\Arduino\libraries folder ... If you define and pass reset pin of your board you can reset GSM by external reset pin of the SIM800l GSMTime(time) ...

You can find hardware design for this board in GSM communications SIM800 breakout hardware repository. Soldered invests vast amounts of time into hardware & software for these products, which are all ...

GSM, which stands for Global System for Mobile, is a cellular standard primarily designed for mobile communication. GSM is a standard developed to facilitate communication between mobile devices. It's ...

The following is a hardware diagram of the Arduino GSM Alert system built around an Arduino Uno and SIM800L module. When the hardware setup is ready, just upload the given sketch to Arduino Uno and ...

In this type of situation, SIM800L GSM/GPRS Module can come in very handy. SIM800L is a very compact GSM/GPRS module that can be integrated into a lot of IoT projects due to its compact size and ...

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 ...

He decided to go with the low-cost SIM800L GSM modem, but as it only works on 2G networks, provisions have been made in the board design to swap it out for a more modern module should you desire.

2 shows the circuit diagram of the automatic daily meal reminder system. It is built around the Arduino Uno (MOD1), RTC3231 (MOD2), SIM800L GSM module (MOD3), 16×2 LCD I2C module (MOD4), a buzzer, an ...