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 ...

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 ...

Because the SIM800L module is very flexible, a great GSM project design can be relatively simple. But there are a number of reasons for experimenting with more complex ideas, such as enhanced ...

This project demonstrates how to use the ESP32-S3 microcontroller with the SIM800L GPRS module to send a POST request to a web server. Install the ESP32-S3 board package in the Arduino IDE. Download ...

* HTTPS (TLS/SLL) with CA Certificate via "TinyGsm.h": https://github.com/vshymanskyy/TinyGSM * Tested on SIM800L_IP5306_VERSION_20190610 (v1.3) (R14.18) * About ...