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Coursera

4G LTE IoT: Bare-Metal to HTTP, MQTT, SMS

Packt via Coursera

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Overview

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Create a full 4G LTE IoT system from the ground up, including STM32 firmware, SIM7600 communication, HTTP/MQTT data transfer, and a web backend for sensor data. This course equips you with the hands-on skills to build and deploy 4G LTE IoT systems using STM32 microcontrollers. You'll learn how to connect embedded devices to the cloud through wireless communication, manage modem interactions, and create a complete solution that includes firmware, communication protocols, and web-based interfaces. By working through real-world scenarios, you'll gain the confidence to implement robust IoT systems that operate beyond local networks. This course is for embedded developers, IoT engineers, and firmware learners looking to connect STM32-based devices over 4G LTE. It's ideal for beginners entering the IoT space and experienced professionals expanding into cellular connectivity, bare-metal firmware, or connected-product development. Sections guide you from 4G LTE fundamentals to advanced firmware development. You'll build drivers, libraries, and web components step by step, culminating in a fully integrated IoT solution using SMS, HTTP, MQTT, and server-side technologies. This course is based on 4G LTE IoT: Bare-Metal to HTTP, MQTT, SMS, by Israel Gbati. Copyright © 2026 Israel Gbati All rights reserved. No part of this course may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Packt is one of the world's most prolific publishers of cutting-edge technical content. For over two decades we've made it our mission to curate and publish the knowledge of only the very best technical experts. We focus on real-world courses that help our customers get the job done, with coverage that extends across a wide range of established and cutting-edge technical topics. If you're an individual or an organisation that embraces learning by doing, Packt is the perfect fit for you.

Syllabus

  • Introduction
    • This module introduces learners to the fundamentals of 4G LTE and IoT technology, including key components of development boards and the broader firmware development workflow for connected devices. It provides foundational knowledge necessary for understanding how 4G LTE supports IoT systems.
  • Setting Up the Development Environment
    • This module guides learners through the essential steps of setting up a development environment, including downloading tools, installing software, and accessing documentation. Learners will gain hands-on experience in configuring a workspace for bare-metal development and testing project setups efficiently.
  • Developing Required Generic Drivers
    • This module provides learners with practical skills in developing generic drivers for embedded systems, focusing on UART, FPU, system timebase, and LED drivers. It covers the process of analyzing documentation, implementing driver functions, and testing the final implementation. Learners will gain hands-on experience in firmware development and system integration.
  • Developing Circular Buffers for Communication
    • This module covers the process of setting up a development workspace, implementing UART drivers, and developing circular buffers for efficient data communication in 4G LTE IoT firmware. Learners will gain hands-on experience with microcontroller interfacing, buffer management, and code refactoring techniques.
  • Developing the SIM7600 Library
    • This module focuses on the development and implementation of the SIM7600 library for 4G LTE IoT firmware. Learners will gain hands-on experience in creating workspaces, importing drivers, and testing module functionality. The course also covers essential communication protocols like SMS and device control via firmware.
  • Understanding Databases
    • This module provides an overview of database systems, exploring their types, functions, and applications in embedded and IoT environments. Learners will understand the differences between cloud and local databases, as well as the characteristics of SQL and NoSQL databases. The course also covers how to integrate database components into web and embedded systems.
  • Foundations of Web Development
    • This module introduces the fundamental technologies used in web development, including HTML, CSS, JavaScript, PHP, and SQLite. Learners will gain a clear understanding of how these tools work together to create functional and visually appealing web applications. The content provides a foundation for building dynamic and interactive web components.
  • Developing the Server-Side
    • This module focuses on the development of server-side components for web applications, covering environment setup, PHP scripting, and integration of visual elements like charts and forms. Learners will gain hands-on experience in implementing and styling web interfaces that support IoT and embedded systems.
  • Making HTTP POST Requests
    • This module covers the process of making HTTP POST requests in the context of 4G LTE IoT firmware development. Learners will explore key steps such as setting up TCP connections, configuring packet data protocols, and sending sensor data to a server. The module also includes practical skills for handling exceptions and displaying data on a webpage.
  • Business with IoT
    • This module explores how to link technical IoT solutions with real-world market opportunities, helping learners understand how to identify and evaluate practical applications of IoT in business contexts.

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Packt - Course Instructors

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