Preface For a data acquisition system, measurement accuracy is an important parameter for evaluating its performance, and it is also an indicator that scientists are constantly striving to improve. I...
[color=blue]1) After logging into the blog, enter the personal space and click "Friends" at the top, as shown in the figure below: [/color] [color=#0000ff][/color][color=#0000ff][/color] [color=#0000f...
The source code in the PRIVATE directory under WINCE! \WINCE500\PRIVATE\WINCEOS, after modification, how to compile it to make it effective? Has anyone compiled it after modification? What are the spe...
[i=s]This post was last edited by eew_Violet on 2021-4-18 23:38[/i]There is one thing you need to pay special attention to when using domestic substitution. Look at the block diagram below. The APB1 a...
Why can't I read the data of mcp2510 chip? ??? ??? ??? ??? The hardware connection is very simple! Use the io port of Samsung S3C44b0 to simulate the SPI bus interface and connect it to the SPI port o...
I use 485 signal to communicate with computer through converter. Every time I close the serial port and then open it again, the data can be received correctly once, but it won't work after that. The t...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[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]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Test/Measurement
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