Microcontroller repair essentials! Use a digital multimeter to determine chip functionality in 3 steps, making it accessible for beginners. Is troubleshooting microcontroller circuit boards difficult? The key is to check if the chip is damaged! With the current affordable prices of microcontroller chips, the focus of repair is not on the cost of replacement parts, … Read more
Click on the arrow“blue text”, and follow us! Photoresistor Also known as light-dependent resistor (LDR), it is a semiconductor resistor that is sensitive to light. Its core characteristic is quite interesting: the stronger the light, the lower the resistance; the weaker the light, the higher the resistance, functioning like an “electronic valve” that can automatically … Read more
The PCB concept includes the following companies: Xingsen Technology (002436), Yidun Electronics (603328), Shenghong Technology (300476), Shengyi Electronics (688183), Benchuan Intelligent (300964), Hongxin Electronics (300657), Mingyang Circuit (300739), Pengding Holdings (002938), Shennan Circuit (002916), Aoshikang (002913), Chongda Technology (002815), Xunjiexing (688655), Shengyi Technology (600183), Xiehe Electronics (605258), and Dongshan Precision (002384). PCB Concept Industry Chain … Read more
In October 2025, the number of PCB-related investment activities both domestically and internationally saw a year-on-year decline. Domestically, the number of investment projects in October decreased year-on-year. As shown in Figure 1, by the end of October 2025, there were a total of 226 investment projects (including those under construction) by domestic PCB companies, with … Read more
When it comes to PCBs (Printed Circuit Boards), many people’s first reaction is: a green board filled with incomprehensible lines and components, complex and tedious. Today, let’s change our perspective and help you fully understand it. Rest assured, there will be no difficult jargon, just an interesting “building” journey. Chapter 1: The Birth of the … Read more
MicrocontrollerPower SupplySound ModuleRadio485BluetoothOptocouplerCANPhotoresistorMicrocontrollerMatrixMicrocontroller CircuitClockADCInterface CircuitInfrared EmitterDisplay ModuleInfrared ReceiverBuzzer DriverRunning LightUSB Power SupplyProgramming CircuitDigital TubeEEPROMLCD1602 CircuitDigital TubeMAX485Infrared Switch Decoder Shift Register Stepper Motor Control Reset Circuit Download Circuit Power Module Temperature Module Infrared Thermistor Traffic Light Clock 555 Color Screen Matrix Button Microcontroller Screenshots of Electronic Books from the Resource Collection Screenshots of Courseware PPT from … Read more
Written by| Haishan Source| Bowang Finance As AI large models ignite a computational arms race and smart cars approach a critical mass, an “invisible revolution” concerning the computational foundation is quietly unfolding in the printed circuit board (PCB) industry. Shengyi Electronics, as an industry leader, has seen its stock price soar23 times in just 20 … Read more
Source | Duolong Electronics Association, Optical College Club Management Center Illustration | Li Xinyi Editor | Yan Yingxian, Xue Hongzhe Review | Liu Yue, Hao Congyi
1 PCB Industry: Growth Resumes in 2024, High-End Products Lead Demand GrowthPCBs are indispensable in electronic products. The primary function of printed circuit boards (PCBs) is to connect various electronic components to form predetermined circuits. PCBs serve as the substrate for loading electronic components, providing support and electrical connections, making them a fundamental necessity for … Read more
In the past year, the shortage of DDR chips has become a common challenge faced by the electronics industry, leading not only to rising prices of end products and increased R&D costs but also causing project delays, particularly affecting consumer products. As a chip company deeply engaged in the smart terminal field, Rockchip’s mainstream SoC … Read more