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 ...

Place the SIM800L library folder into your \Documents\Arduino\libraries folder. You may need to create the libraries subfolder if its your first library. Restart the ...

Ever wanted to track your bike, car, or even monitor your loved one's location in real-time? Building your own Arduino GPS tracker gives you complete control over your tracking data without expensive ...

SIM800L GSM module library for Linux systems like the Raspberry Pi. This library interfaces the SIM800L GSM device and allows sending, receiving and deleting SMS messages, as well as performing HTTP ...

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 ...

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 ...

LilyGo has launched several TTGO boards usually based on Espressif ESP8266 or ESP32 over the years. Here’s another that could be useful if 2G cellular networks have not sunset in your country: TTGO ...

We are all familiar with how notice boards in schools, offices, colleges and railway platforms look like. But have you ever wondered how they work and how you can make such a board by yourself? So, ...

Abstract: The Fingerprint Door Lock (FPDL) using Arduino with SIM800L research is designed to improve the security and convenience of door access control by integrating fingerprint recognition with ...