In printed circuit board (PCB) design, many engineers encounter various issues, one of which is whether “three wires can be routed from the circuit board?” The answer is yes; the pads or connection points on a PCB can connect and route multiple wires, including three wires. 1. Why Can Three Wires Be Routed From A … Read more
Click the blue text to follow us Hello to all repair enthusiasts, I am Lao Zhou, and I have been engaged in electronic repair for 15 years. Today, let’s talk about the waterproof modification of the smart toilet cover circuit board. Speaking of this, I remember a customer last week whose smart toilet cover suddenly … Read more
The issue of short circuits on circuit boards is frequently encountered in practical work. Some believe that only novice hardware engineers make mistakes with short circuits. This is not true; many experienced hardware engineers also face this problem. This issue is not only related to design but also closely tied to material quality and the … Read more
1. Why Air Conditioners Need Deep Cleaning Don’t underestimate the hygiene inside your air conditioner. Imagine that during operation, the air conditioner continuously sucks in indoor air, which passes through various components before being blown out. In this process, dust, hair, skin flakes, and other impurities in the air will be adsorbed inside the air … Read more
Automated Testing System for Circuit Boards This system is used to test functional circuit boards developed by a research institute. Based on the specific testing needs of users and years of experience in the testing industry, Hengtai Measurement and Control has customized and developed a comprehensive automated testing device. The device supports automatic loading and … Read more
Electrical Vocational Internship Week Every semester, the school arranges for students from various majors to engage inthree to four weeks of internship tasks to assess their understanding and mastery of their respective fields. Students from different majors complete internship tasks in areas such assoftware development, web design, circuit board soldering, video shooting, and art design. … Read more
☞ This is the 8109th article published by Metal Processing (mw1950pub) Introduction If you have a circuit board, how can you disassemble and reuse it? Today, our video will detail the N methods for disassembling circuit boards, truly expanding your knowledge! The video length is 2 minutes and 44 seconds, recommended to watch on WiFi … Read more
1. Repair Procedure for Burnt IGBT or Fuse on Circuit Board If the current fuse or IGBT is burnt, you cannot immediately replace the component. You must confirm that the following other components are in normal condition before proceeding with the replacement; otherwise, the IGBT and fuse will burn out again. 1. Visually check if … Read more
PCBA Process Flow The PCBA process is quite complex and typically goes through nearly 50 procedures, including circuit board manufacturing, component procurement and inspection, SMT assembly, DIP insertion, PCBA testing, programming, and packaging. Among these, the circuit board manufacturing consists of 20 to 30 procedures, making it extremely complex. The following diagram illustrates the PCBA … Read more
Over 60,000 friends have followed the Industrial Control WeChat platform: Technical sharing, Learning exchange, Industrial control videos Basic Mnemonics for Circuit Board Repair A typical circuit board is composed of millions of circuits. The appearance of components often changes; recognizing characters is key. Resistors and capacitors are the most common; damage is also very prevalent. … Read more