Unlock the full potential of cellular IoT with our comprehensive guide to the SIMA7670G 4G LTE module. This series covers everything from basic AT commands to advanced ESP32 integration. You will learn how to handle SMS, execute HTTP requests, establish secure MQTT connections, and utilize built-in GPS for real-time tracking. Whether you are integrating with Blynk, ThingSpeak, or Firebase, find all the tutorials you need right here.
Learn MQTT
Take your IoT projects off the grid. Learn how to transmit real-time sensor data over 4G LTE using the ESP32 and SIM A7670G, and store it permanently in your own MySQL database using a secure MQTT pipeline. This guide covers everything from hardware wiring to the Python backend script.
SIMA7670G 4G
Take your IoT projects off the grid! This tutorial walks you through connecting the SIMA7670G 4G LTE module to an ESP32. We cover the critical power-up sequence, wiring diagrams, and provide full source code to Publish sensor data and Subscribe to remote commands via MQTT.
SIMA7670G 4G
In Part 2 of our 4G IoT series, we move beyond hardware setup to real communication. Learn how to write code to automatically send text messages from your ESP32 and listen for incoming SMS commands using the SIM A7670G LTE module. Perfect for remote control projects!
SIMA7670G 4G
Are you ready to upgrade your IoT projects from 2G to 4G? In this tutorial, we explain why the SIM A7670G is the best replacement for the SIM800L, how to wire it correctly to an ESP32, and providing the exact code to get you online.