Five MAX491 chips are used to implement the following functions: the RS422 signal from one MAX491 chip is sent to the other four MAX491 chips. The first chip should receive the signals from the four M...
[align=left][font=宋体]At present, wind direction and speed sensors at home and abroad can be divided into three categories. The first category is the propeller wind direction and speed sensor[/font];[f...
4, color camera VC-913D [img=184,104]http://co.163.com/neteaseivp/resource/paper/doc/20061111136949841451/image005.jpg [/img] Technical specifications: Image sensor: 1/3” SONY Super HAD CCD Effective ...
Does anyone have a mobile version of Chinese chess or chess code? Not in JAVA, but in C++ or C#. And it has to pass the compilation. Is 100 points enough? I don't think I got 200 points....
UnboxingFeelings: It is smaller than expected, and integrates many sensors. However, it would be better if it had an illumination sensor.Firmware UpgradeAfter downloading the APP, the APP automaticall...
After I power on, I load a program from the flash. Sometimes it works, but sometimes it doesn't. What's the reason? The program written into the flash must be correct, otherwise it would never work. I...
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]