[size=13px]I tested a disassembled 1.5 to 3.3 DC-DC board. The driving ability is very good. I don't know what the main chip is. Please help me find out what model it is. Thank you. This is an externa...
Attached is the circuit diagram, which is part of a brushless DC motor control circuit, mainly to detect the current of the motor coil. I would like to ask experts to help explain the working principl...
Everything should start with the running light Author/Xiong Rensheng It should be. Learning single-chip microcomputers should start with the running light. It is estimated that teachers in China and e...
[size=5]Using Qi-Compliant Wireless Power Solutions for Low-Power Wearables[/size][size=4] [/size] [size=4] [/size] [b][size=6]Introduction[/size][/b] [size=4]Many low-power wearable devices such as s...
The Internet says that in shell.reg, modify [HKEY_LOCAL_MACHINE\init] "Launch50"="explorer.exe" "Depend50"=hex:14,00, 1e,00 and change explorer.exe to my application. However, after changing it, the a...
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
1 Introduction
With the rise of my country's automobile industry, the demand for related in-vehicle electronic products is growing, and has become a research and development hotspot in the...[Details]
0 Introduction
Mobile robot is a comprehensive system that integrates multiple functions such as environmental perception, dynamic decision-making, behavior control and execution. Its motion...[Details]
With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lighting, an...[Details]
As process nodes and die sizes continue to shrink, the number of consumer electronic products using flip-chip packaged IC devices is increasing. However, flip-chip packaging manufacturing rules hav...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the fol...[Details]
introduction
The concept of digital television has gradually become popular. Most of the existing digital television receivers can only receive analog signals that meet the digital video s...[Details]
1 Introduction
PLC (Programmable Controller) is a control device specially designed for industrial automatic control. It has been widely used in the field of industrial automation. Its cha...[Details]