First, let me talk about my ideas. If I say something wrong, I hope you can help correct it: 1. Reserve a space in the DDR of the hps end, specifically set uboot bootargs mem=512M. 2. Then the fpga re...
Hello everyone, may I ask: 1. What is the difference between sources.cmn and sources? 2. What do these environment variables in sources.cmn represent? ? ? I hope everyone can give a comment! ! ! ! ! T...
I'm currently using LPC2220, a Philips model. There are 4 GPIO ports, P0 to P3. How do I access the P3 port? For example, how do I set pin P3.27 to 0 or 1?...
Given that TH2 and TL2 are the timing values for a workpiece to rotate one circle, and I want to sample 128 points equidistantly on the workpiece, then the interval between two sampling points is obta...
In the driver loader, [color=#FF0000] after StartService(), GetLastError() returns 3 (〖3〗-The system cannot find the specified path.) [/color][b][/b] When running in a virtual machine, it is fine at t...
Haha, actually I bought this screen during the e-sports competition last year, and I just happened to use it, but I used it very simply, so I feel a bit disappointed.I just made a complete module. Som...
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
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[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]
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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems (GP...[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]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
FPGA/CPLD
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