4G LTE IoT: Bare-Metal to HTTP, MQTT, SMS
Build connected STM32 systems using 4G LTE, MQTT, HTTP, and SMS
Created by Israel Gbati
Explore how to connect STM32 devices to the cloud using 4G LTE, MQTT, HTTP, and SMS. You'll move from bare-metal firmware on STM32 to building a complete IoT system that sends sensor data and allows remote control. By the end, you'll have practical skills for real-world cellular IoT projects.
Packt | Jul 2026 | 823 min
What You Will Learn
You'll start with the basics of 4G LTE and STM32, then build up your skills by creating drivers, communication buffers, and modem libraries. Each section adds a new layer, from sending SMS to publishing sensor data online, ending with a fully integrated IoT system that connects devices to a custom web backend.
Key Features
- Design and implement STM32 firmware for 4G LTE IoT connectivity and data transfer
- Integrate SIM7600 modules for SMS, phone call control, HTTP, and MQTT communication
- Build a web backend using HTML, PHP, JavaScript, and SQLite for sensor data display
Target Audience
Ideal for embedded developers, IoT engineers, and anyone looking to connect STM32 devices using 4G LTE. If you're new to IoT or want to expand your skills in cellular connectivity and firmware, you'll find step-by-step guidance and practical examples to help you build and deploy your own connected solutions.
