Scientific discoveries often begin with unexpected small events, and the discovery of OLED is no exception. One night in 1979, Dr. Qinyun Deng, a Chinese scientist working at Kodak, suddenly remembered he had left something in the laboratory while on his way home. When he returned to the lab, he found an organic battery used … Read more
HC-06 is an integrated Bluetooth serial module that can switch between master and slave modes. It has fewer commands than HC-05 and is simple to use. It is an upgraded version of LV_BC_2.0, previously known as Linvor by Wavesen. This module is mainly used in the field of short-range wireless data transmission. It can easily … Read more
Renesas Electronics, as a global leader in microcontrollers, analog power devices, and SoC product suppliers, recently showcased its products and solutions in intelligent gateways, domain controllers, ADAS autonomous driving, smart cockpits, as well as microcontrollers and sensors at the Munich Electronics Fair, which was held almost simultaneously around the world. During the Munich exhibition in … Read more
Search on WeChat Technical Training Next, let’s disassemble the old chip of the 1200 PLC and appreciate the internal aesthetics of the world’s best-selling PLC. S7-1200 Mainly discussing the MCUController Chip MCUController Chip： MCU: Siemens collaborated with Japan’s second-largest MCU manufacturer Fujitsu to design and develop the control board and chip for the 1200 series … Read more
Based on semiconductor technology, CCD image sensors have changed the history of recording images with film. Today, digital imaging is not only an important tool for scientific analysis but has also penetrated into everyone’s daily life. Willard S. Boyle (left) and George E. Smith (right) invented CCD technology in 1969. Source: Literature [1] In 2009, … Read more
Source | © Chip Master Original Team Author丨 © Carol Li Integrated circuits (ICs) can be divided into two main categories: digital ICs and analog ICs. Digital ICs are circuits used to generate, amplify, and process various digital signals; analog ICs are circuits used to generate, amplify, and process various analog signals. So, what are … Read more
1. Accessory Information 1. USB connection cable — connects the main board and the touch screen PCBA board 2. Touch screen PCBA board — the data processing center for the touch screen 3. Touch screen data connection cable — connects the front touch screen (glass) to the PCBA board 4. Ground wire — grounds the … Read more
Polarity components require special attention throughout the PCBA processing, as incorrect orientation of directional components can lead to mass failures and the complete failure of the PCBA board. Therefore, it is extremely important for engineering and production personnel to understand SMT polarity components. 1. Definition of Polarity Polarity refers to the positive and negative terminals … Read more
PCB design is both a science and an art. There are many technical specifications related to trace width, layer stacking, schematics, etc. However, when it comes to the artistic aspects of component placement in PCB design, the issue becomes interesting. In fact, there are very few restrictions on component placement, and there are no “absolutely … Read more
In electronic manufacturing, the quality of PCBA (Printed Circuit Board Assembly) soldering is crucial for the reliability and performance of the product. Surface tension and viscosity are key factors affecting the soldering effectiveness. If not handled properly, it can easily lead to soldering issues. So, how can we reduce the surface tension and viscosity in … Read more