[i=s]This post was last edited by MianQi on 2021-9-14 11:13[/i]During the test, the "COM is closed" condition was encountered, and the communication port on the board was not lit. Check the communicat...
[i=s] This post was last edited by fengye5340 on 2014-8-14 07:46 [/i] [align=left][size=3][color=Blue][b][size=5]【Solution Introduction】[/size][/b][/color] [size=4] In the design of the power supply c...
Recently I saw a board with a 25P40VP chip on it. The logo is ST, which means it is a product of STMicroelectronics. However, I went to the official website to check the datasheet, but could not find ...
Which command can be used to register the smart device ocx developed by vc2005 on the pda? When registering, does the ocx have to be in the windows directory?...
RTOS system beat
Traditional RTOS uses a hardware timer to generate periodic beat interrupts as the system time base. In most applications, the system beat period is in milliseconds, and the resolutio...
Quote: [indent] Original post by [i]soso[/i] at 2009-2-27 14:57 [url=https://bbs.eeworld.com.cn/redirect.php?goto=findpost&pid=149786&ptid=72986][img]https://bbs.eeworld.com.cn/images/common/back.gif[...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]