Introduction During the use of the Arduino IDE, after completing the program and clicking to upload, if there are syntax or other unexpected errors in the program, it will lead to upload failure (or compilation failure). What causes this? Below, several of the most common error prompts will be listed along with perfect solutions. The … Read more
A few days ago, a frustrating problem left me quite unhappy.The final solution was simple, but the problem itself had me deep in thought. I thought it was time to tidy up the messy breadboard circuit, as all the issues began at that point. (Note: These circuits are mainly used to drive my Cunning Chronograph). … Read more
This article is dedicated to those who are overwhelmed by too many messy wires and don’t know what to do… The five-party intercom is one of the emergency rescue features of elevators, and it is a mandatory inspection item during elevator installation acceptance and annual inspections. In our community, the intercom between the car and … Read more
[Common Issues and Solutions are based on screenshots of the current device along with step-by-step instructions. The Yuanzheng diagnostic products generally run on Android OS, and there are many tablet models with different names for their function menus, but the functionality is the same. If you do not understand the operation process, please carefully review … Read more
Today, we are going to discuss one of the most painful yet exciting topics in the field of industrial automation – PLC troubleshooting. Many engineers have had the experience of machines suddenly breaking down on the production line in the middle of the night, causing immense pressure! Why Master PLC Debugging Skills? Imagine you are … Read more
On April 2, 2016, I was preparing to write about the review photos I took the day before when I discovered that about 7 GB of photos and various files on my SD card suddenly turned into a garbled file named “USBC..?”. This file had a size of “0 KB”. In other words, all the … Read more
1 PLC (Programmable Logic Controller) application techniques can help improve system reliability, efficiency, and ease of maintenance. Here are some PLC application techniques: Optimize Input/Output Design: Minimize unnecessary input/output points to reduce system complexity and cost. For critical input/output points, use redundant design to improve system reliability. Use appropriate isolation techniques, such as optical isolation, … Read more
With the development of computer technology, railway interlocking has been upgraded, leading to the emergence of computer interlocking. The difference between computer interlocking devices and the 6502 electrical interlocking is the addition of a driver acquisition circuit, which delegates the interlocking computation tasks to the computer. Regarding the driver circuit, the figure shows the station … Read more
Windows 10 device drivers are essential software components that allow devices to interact with the Windows operating system. It is the drivers that enable communication between the Windows operating system and specific hardware, such as network cards, hard drives, audio input and output, and graphics cards. They also detect peripheral devices, including keyboards, mice, printers, … Read more
When your server’s CPU reaches 100%, how do you troubleshoot the abnormal fault? At the end of this article, a shell script will be shared to help you troubleshoot the Linux system CPU 100% anomaly. Yesterday afternoon, I suddenly received an operations email alert, indicating that the data platform server’s CPU utilization had reached 98.94%, … Read more