The upper program + driver + D12 firmware source code of the circle's USB custom device, as well as the USB firmware of the virtual serial port of STM32 modified by myself. For details, please refer t...
Professor Chen Yongzhen, a famous expert in the field of capacitors, has a wonderful speech that is worth watching.Main content: Capacitors inswitching power supplies Capacitors widely used inswitchin...
I used two PCBs (the schematics are the same, just the layout is different) to connect the same RX, but the receiving distance is different. For example, the routing of the power line plus the capacit...
[i=s]This post was last edited by lb8820265 on 2021-11-29 00:44[/i]The method of using threads and then querying in C language to implement the timer function is not reliable. I innovatively thought o...
Just as the title says.I have done SPI communication between two CM3 chips before. Whether the master device sends data to the slave device or the slave device sends data to the master device, the dat...
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
introduction
With the rapid development of my country's aviation industry, various new aircraft and control equipment have been successfully developed. Some previous measurement and control eq...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
introduction
With the increasing popularity of Internet applications, the degree of information sharing is constantly improving. The digitization and networking of embedded devices has b...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
Touchscreen interfaces are a popular technology for industrial and commercial computer systems. Touchscreen technology eliminates the need for a keyboard or traditional mouse, instead enabling simp...[Details]
With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
Our company's teardown work has always been as close to global technology trends as possible, but not all new product trials are like this. Just as Japan frequently conducts new product trials in i...[Details]
From the perspective of current embedded consumer electronic products, media processing is gradually integrated with wireless communication and 3D games. Its powerful functions have brought about a...[Details]
In the power parameter measurement device, the power parameters come from the power grid with a strong interference source. At the same time, due to the influence of the mutual inductor and the amp...[Details]
0 Introduction
In the multimedia era, traditional Class A, Class B, and Class AB linear analog audio amplifiers can no longer meet the new development trends of green energy saving, high e...[Details]
1 Introduction
As computer performance continues to improve, more and more functions are integrated into computers. Therefore, the processing capacity of computers is increasing day by day...[Details]