To enable communication between devices, there needs to be a bridge connecting the two, which consists of the transmission path and communication protocol. The earliest interface used for device communication was RS232. However, as technology developed, RS232 began to show some limitations, which led to the emergence of new interface standards, one of which is the RS-485 interface. The maximum data transmission rate of RS-485 is 10Mbps, and the maximum transmission distance is standard at 4000 feet. The RS-485 interface allows for the connection of up to 128 transceivers on the bus, thus having multi-station capability.
This course is a classic video tutorial designed for learners of RS-485 communication module design, aimed at beginners. It teaches you step-by-step how to learn microcontroller module design from scratch, progressing gradually through theoretical explanations combined with practical experimental projects, including the currently popular C programming for the 51 microcontroller!
The highlight of this tutorial is its systematic and detailed introduction to the basic knowledge of the 51 microcontroller module, based on an analysis of beginners’ cognitive patterns. This course breaks away from traditional teaching methods and adopts a hands-on approach to module production. It covers the application of the module, introduction to module components, theoretical knowledge of the microcontroller needed for the module, hardware circuit design, and C programming for the 51 microcontroller, cleverly integrating principles and applications of microcontrollers, hardware circuit design, and C programming knowledge into the module project, making you adept at microcontroller module design. This allows learners to practice while learning to produce the module, efficiently acquiring knowledge while enhancing hands-on skills.
Through multi-faceted, module instance explanations, readers not only master the basic skills of microcontroller system development but also broaden their perspective on popular applications of microcontrollers. Therefore, this course is suitable for enthusiasts of microcontroller learning, electronic competitions, product development, and graduation project-related electronic production.
Course Details:
The “RS-485 Communication Module Practical Tutorial” is designed and planned by a professional team of electronic engineers from Changxue Electronics and is recorded exclusively. This course mainly introduces the process, methods, skills, and design concepts of 51 microcontroller module production development in a gradual and easy-to-understand manner, primarily through module instances, combining software and hardware. It covers RS-485 communication, serial ports, MAX485 chips, baud rates, serial control register SCON, minimal systems of the 51 microcontroller, hardware circuit design, program analysis, application examples, precautions, etc.
Catalog Introduction:
Lesson 1: Introduction to RS-485 Communication Module
1. Overview of RS-485 Communication
2. Basic Knowledge of Serial Ports
3. MAX485 Chip
Lesson 2: Control Settings for RS-485 Serial Communication
1. Baud Rate Multiplication Settings
2. Serial Control Register SCON
3. Clock Selection
4. Baud Rate Setting Interface Knowledge
Lesson 3: Hardware Connection of RS-485 Communication Module and Introduction to Development Board
1. Minimal System of 51 Microcontroller
2. Module Hardware Connection
3. Introduction to Mini51V2.0 Development Board
Lesson 4: Explanation and Application of RS-485 Communication Module Testing Program
1. Explanation of 485 communication program between Slave A and Slave B
2. Testing Instructions
3. Typical Application Circuit Design
4. Precautions
Course Details:
This set of courses takes RS-485 communication module production as an example and details the process of 51 microcontroller module design, basic knowledge of the module, program writing, and practical application, combining theory with practice, based on instance development explanations. This course’s videos are in high definition, with a clear directory structure and detailed illustrations. Below are some screenshots of the video pages.
Website Features:
1. Course introduction, allowing you to quickly understand the main content of this lesson. 
2. Take notes while learning to record key points, expand new knowledge, and learn thoroughly. 
3.If you have questions, there will be dedicated electronic technicians to answer you later, and you will learn more. 
