I used the HIDLIB library to make a VC6 program to read USB HID devices. Synchronous reading of data seems to often freeze. unsigned long lpNumberOfBytesRead=0; unsigned char buffer[Receive_no], displ...
Operating System (RISC-V) : https://training.eeworld.com.cn/course/6015The operating system is the core system software responsible for managing various hardware and software resources in the computer...
High-frequency starting DC power supply has the characteristics of modular structure, high performance indicators, high efficiency and high power. It will gradually replace the traditional phase-contr...
I was recently writing a VHDL calendar + clock program, and found that the mod operation could not be recognized, if (year mod 400=0) or ((year mod 4=0) and (year mod 100 /=0)) then leap<='1'; else le...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]