PWM stands for Pulse Width Modulation. This article will use FPGA to generate PWM to drive the LED circuit.1. Design requirementsDefine a pulse width counter cnt1/cnt2, which are used to generate tria...
[size=4][color=#000000][backcolor=white]Recently, I have been learning ARM (LPC2103) by myself. I want to record all my learning experiences in this blog and make progress together with all the newcom...
Generally speaking, functions can return local variables. The scope of local variables is only within the function, and the memory of local variables is released after the function returns. Therefore,...
Three-phase bridge fully controlled rectifier circuit
The most widely used, common cathode group - 3 thyristors connected together with cathode (VT1, VT3, VT5) common anode group - 3 thyristors co...[Details]
Following yesterday, let's continue to talk about buttons. Yesterday we talked about scan detection, today we will talk about interrupt detection. Let me tell you a little story first~~ ...[Details]
Introduction
In the design of single-chip microcomputers, it is often necessary to display a multi-level operation menu on the display screen. Each menu level has some menu items and corresp...[Details]
iPhone 12, Huawei Mate 40, Samsung Note 21/30... The competition among flagship phones in the second half of the year is no less fierce than that in the first half. For Huawei, many netizens...[Details]
The ARM processor is a high-performance, low-cost, low-power RISC microprocessor and is one of the most popular microprocessors currently. As a member of the ARM microprocessor series, ARM7 is widely...[Details]
For future iPhones, iPads, and MacBooks, Apple plans to use smaller internal components to increase the size of the device's batteries, according to DigiTimes. Apple plans to "substantially increase"...[Details]
On the morning of March 4, Meng Qing, Chairman of Shanxi Guorun Energy Storage Technology Co., Ltd., and his delegation came to the School of Energy and Power Engineering of North University of Chi...[Details]
Micro oxygen generators using PSA (pressure swing adsorption) air separation oxygen production technology are widely used in sports health care, medical rehabilitation, and health air conditioning ...[Details]
Circuit function:
The circuit can realize the function of 9-way buzzer. After one person presses it, it will be invalid for others to press it. They need to be reset before they can answer again.
T...[Details]
Download the schematic diagram of this program in pdf format: http://www.51hei.com/f/ks51.pdf
/***********Write 1602 LCD**************/
/**
*Function: Write 1602 LCD
*Time: March 15, 2014 08:5...[Details]
In recent years, with the rapid development of sensor technology and information processing technology, higher requirements have been put forward for the measurement accuracy, data transmission distan...[Details]
It has been nearly half a year since I started working on ARM. I have made some progress on my first project. I finally feel like I have gotten started. In the past six months, I have experienced the ...[Details]
It should be noted that when using the template of the library function, you cannot apply the register operation randomly. I wanted to use a big move before but ended up making a fool of myself. The ...[Details]
The water quality analyzer of the analyzer has the advantages of reliable performance, suitable for accurate analysis, and can continuously measure dissolved oxygen, pH, conductivity, ORP, chlorine, ...[Details]
All instruments that generate test signals are collectively referred to as signal sources. The oscillating circuit of a signal generator is also called a signal generator, which is used to generate...[Details]
Analog electronics
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