After using wince5 on mini2440 board to connect wireless network card, I found that the wireless network card was not started after restarting. I need to unplug the USB plug and plug it in again to co...
Can someone please help me see if this circuit diagram is correct? And what are the appropriate values of resistors and capacitors? A novice among novices needs help...
As of today, I have written some debugging codes. I found another software bug. The delay timer does not work properly, but the motor can rotate at high speed. Is it considered hard commutation? Howev...
1. What is our project? In layman's terms, this project is to install an Internet cafe in the hotel, and the computers are not concentrated in a lobby, but are scattered in the hotel rooms to provide ...
The chip model of the board is MSP430F2618. There were always problems with the calculation and collection of data before. Later, it was found that it was the floating point data processing. For the c...
1. If the MCU has a serial port peripheral, plus a level conversion chip, such as MAX232, SP3485, it is an RS232 and RS485 interface.2. RS485 uses differential signal negative logic, +2~+6V represents...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[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]
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]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[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]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[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]
When designing a PLC system, the control scheme should be determined first, and the next step is to select the PLC engineering design. The characteristics of the process and the application require...[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]
O Introduction
Virtual instrument is a new type of instrument developed with
the development of
computer
technology, electronic measurement technology and communication technology. ...[Details]
1 Introduction
The ball nut is the internal thread element of the ball screw pair. Its precision directly affects the transmission quality of the ball screw pair. Due to its advantages such as...[Details]
Embedded System
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