[i=s]This post was last edited by qwqwqw2088 on 2021-3-21 21:59[/i]In the initial stage of switching power supply system design, it is crucial to choose a suitable switching power supply topology. Thi...
[i=s]This post was last edited by tianshuihu on 2018-9-21 12:54[/i] [size=4]We have previously evaluated the DC load characteristics of the photorelay TLP3547F. Today, let's take a look at its charact...
This window is the project property window in Keil. Through this window, you can detect whether there is an STM32 chip. If there is, it will be displayed in the red box:And this is the J_Link debug in...
Program features: 1: The program uses 430launchpad+ccs5, no additional circuits are required, no external crystal oscillator is needed, just a 2553, just a speaker or headphone connected to P2.4 and P...
[i=s]This post was last edited by jinglixixi on 2021-4-4 17:36[/i]1. First acquaintance
The long-awaited AT32F421 development board arrived as promised. The transparent outer packaging is still the sa...
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
Compared with traditional lighting fixtures, LED lamps do not need to use filters to produce colored light. They are not only highly efficient and pure in color, but also can achieve dynamic or gra...[Details]
FSP107-2PS01 two-in-one power supply assembly is mainly used with LG 26-inch screens to directly drive CCFL lamps, as shown in Figure 1. If used with screens from other manufacturers (such as Sams...[Details]
PPTC device technology has been widely used in overcurrent and overtemperature circuit protection designs for portable appliances, cell phones, computers and telecommunications equipment. New stand...[Details]
1 Power Module Design
The power supply in this study is directly connected to the neutral and live wires, and converted through the lnk306 chip. The 13V voltage required by the control mod...[Details]
1 Overview
In microwave detection systems, antennas are usually the closed loop points of the system's automatic control loop. As an important part of a receiving/transmitting control...[Details]
Analogue and Mixed Signal
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