▼ Follow WeChat public account: Engineer Looks at the Sea ▼ Hello everyone, I am Engineer Looks at the Sea, original articles are welcome to like and share! Analyzing, locating, and repairing circuits is a basic task for hardware engineers. Various strange problems always arise on-site, and we need to gradually locate and solve these … Read more
Hello everyone, I am a beginner in electronics. Today we will analyze an AC 220V to DC 5V resistive-capacitive voltage reduction circuit. The resistive-capacitive voltage reduction is a circuit that can convert AC mains power to low DC voltage with very few components and at a very low cost. It is often used in devices … Read more
We Are Together Due to the impact of the pandemic, how to conduct practical teaching, which is crucial for science and engineering courses, online has become the biggest difficulty in online teaching. Teacher Yu Xiaoming from the School of Information Engineering has conducted a new exploration. In the online teaching of the “Circuit Analysis” experimental … Read more
1. Identifying the Start and End of Motor Windings Using a Multimeter When the six terminals of a three-phase asynchronous motor are lost, unclear, or rewound, it is necessary to determine which two terminals belong to the same phase, which is the start of the coil, and which is the end. Below are several methods … Read more
Introduction For beginners in electronic technology, mastering basic circuit principles, the functions and characteristics of components, how to analyze circuit diagrams, reading PCBs, soldering techniques, and common troubleshooting methods are all essential skills that need to be well understood. This article discusses how to read PCBs, hoping to assist beginners. PCB stands for printed circuit … Read more
【2024 First Release】The Drone Giveaway Activity Returns! More Writing, More Rewards! Introduction The USB power meter is an essential tool for engineers! It’s commonly used to measure the current of phones, products, and circuits. I previously purchased a small power meter, which is very convenient for measuring the power of power banks and lamps. This … Read more