[i=s]This post was last edited by rain_noise on 2014-11-13 14:14[/i] [p=30, 2, left]The company has a heat metering project. At the beginning, the design used wired communication. Later, when it was i...
The main reason is that the power supply line, power supply circuit, single-chip microcomputer, etc. have abnormal operation. Inspection and steps 1. First check whether the voltage of the power suppl...
Hello everyone! When a certain type of USB flash drive is inserted into the PC, I need to hide this drive letter, or prohibit users from accessing this USB flash drive! Do you have any good solutions ...
This morning, I was in the elevator and heard a woman who looked like a leader say to a buddy, "What's the problem this time?" "Can't decode." "Why?" "When we do high temperature testing and patching,...
This is my first time using SecureCRT, so I made some mistakes that should not have happened, which hindered the trial of MXCHIP Open1081. Now I finally see WIF, let me show off: This is the serial po...
It's like this, I'm going to do an experiment to measure the speed of a DC motor. It's just an experiment, it has no practical value, and the motor is just unloaded. In terms of hardware, a plastic sh...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]