Wireless Communication Solution Before choosing, I had previously encountered Zigbee networking, which is also a commonly used networking method due to its low cost and simplicity. Here are several reasons for choosing this network: Zigbee networks are indeed good. If you don’t want to learn the complex transmission theory and programming of Zigbee communication chips, … Read more
Course Details: The “Practical Tutorial on RS-485 Communication Module” is designed and planned by a team of professional electronic engineers from Changxue Electronics, and is recorded exclusively. This course mainly introduces the process, methods, techniques, and design concepts of developing the 51 microcontroller module through the form of module instantiation, focusing on the system design … Read more
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 … Read more
Click the image above to follow “Changxue Electronics” for easy learning of electronic knowledge. Changxue Electronics Subscription Account Daily updates on technical articles in the electronics industry and the latest information on microcontrollers for easy learning anytime, anywhere. 1. Signal Reflection Issues During communication, when there is an impedance mismatch or discontinuity, signal reflection occurs, … Read more
Search on WeChat Technical Training I have previously worked with microcontrollers and various models of inverters such as Mitsubishi D700, Siemens G120, Omron 3G3JZ, Panasonic VF200, Delta VFD-M, Xinjie VB3, Yonghong FID-B10, Chint IS7, Inovance MD500, Yaskawa Goodrive10, Schneider ATV12, Haiwei E, Holley HGD303, Taian F510, Hexin F2A, Rockwell PowerFlex-4, Fuji FRENIC-VP, Boke CV20, Yaskawa … Read more
1. Implementing Vending Machine Control System with KingView and Microcontroller Modbus Communication: KingView configuration software acts as the Modbus RTU master, while the microcontroller serves as the Modbus RTU slave. The microcontroller is programmed according to the logical requirements of this control system, and the KingView software can monitor and control the system’s inputs and … Read more
Understanding and Getting Started with the 51 Microcontroller To deepen students’ knowledge in the field of competitions and enhance their understanding of microcontroller technology, the Student Science and Technology Association of the College of Automation and Information Engineering (hereinafter referred to as the “Association”) successfully held the sixth session of the “Sailing Innovation” series of … Read more
Author: Lao Ma Shi Tu Microcontroller When we create a 51 microcontroller project using Keil C51, we will see a prompt as shown in the following image: Keil prompts whether to add a startup file when creating a new project Generally, you need to choose “Yes”. Of course, you can also choose not to add … Read more
1 Preparation Before Debugging This section introduces a method to achieve serial debugging of user programs for the 51 microcontroller using the software simulation feature of Keil. This method requires no hardware emulator, and even no user circuit board is needed. All that is required is: ① Hardware. A standard computer (which needs to have … Read more
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