Combining the dual-core processing capabilities of the ESP32 with the reliability of GSM connectivity, the ESP32 GPS tracker with SIM800L is the perfect solution for real-time position tracking.

Let's say you are trying to build a remote IoT data monitoring system; the first problem you will face is how to get a proper internet connection for your device. Whether you want to get notified when ...

Linux system with a UART serial port, or Raspberry Pi with Raspberry Pi OS (this library has been tested with Buster and Bullseye). External power supply for the SIM800L (using the Raspberry Pi 5V ...

SIM800L GSM module library for Linux systems like the Raspberry Pi. This library was also successfully tested with SIM800C and should also support SIM800H. This library provides a driver for SIMCom ...

Have you ever worked with the SIM800L module for your projects? It's a handy tool for tasks like making calls and sending SMS, but sometimes it can be tricky to get it working smoothly. In this guide, ...

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 ...

SIM800L is the smallest GSM(Global System for Mobile communication) module in the world. This module uses UART (Universal Asynchronous Receiver / Transmitter) as communication protocol to exchange ...

If you are looking for a compact GSM/GPRS module, you can get the SIM800L from most eBay traders. It is not the most judicious choice, but you can build your own basic GSM projects with a cheap modem ...

Free Knowledge When using the SIM800L module, always include capacitors to stabilize the voltage. To reduce high-frequency noise, use a mica or polyester capacitor placed as close as possible to the ...