the cheapest GPS tracker / GPS locator based on AVR ATTINY2313/4313 or ATMEGA328 (ARDUINO) and SIM800L GSM module

SIM800L Device Driver for ESP32

Sharing boat data across NMEA0183/NMEA2000/Bluetooth/IoT/MQTT with Android anchor watcher app and webpage.

Web & GSM Control: SIM800L & ESP32

Smart metering of temperature and humidity with reporting via SMS texting / uploading data over GPRS to Thingspeak platform or others

An implementation of the ESP32, SIM800L, A9G, and AM2301 to retrieve the location and temperature of a cargo truck

SIM800 HAL based library for simply SMS applications

This sample project shows that how to make an http GET request on sim800L with STM32 and some parsing practice with Aladhan's prayer time API..

Frost Alarm