[i=s]This post was last edited by zhang7309 on 2018-4-2 22:11[/i] The board arrived at my workplace over the weekend. I got it on Monday when I went to work. I'll show it off first and then conduct th...
Recently, the USB PD3.0 fast charging standard has been upgraded. The new USB PD3.1 fast charging standard will support a maximum voltage output of 48V, and the charging power will be increased to 240...
1. IntroductionBefore I really understood RISC-V, I actually only saw articles about it on some embedded public accounts that I followed, and I saw it many times. It can be seen that it is really popu...
Hello, everyone! I have a RF modulator in my city. Recently, I have encountered a common problem, but it has confused me. I would like to ask for your help and your advice. I would be very grateful! T...
I wrote an AD sampling program, using a digital tube for display; but I cannot switch between automatic and manual modes, the DONE bit cannot be set to 1 by hardware, the sampling is interrupted once,...
The Tree of Life teaches you how to get high-quality and low-cost digital photos Source: Tree of Life Digital Printing [url]http://www.lifememo.cn[/url] Getting high-quality digital photo prints depen...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]