Dear experts, I need a program urgently. The hardware is 51 single chip microcomputer + 1602 display screen. The basic direction is: the car is in a fixed distance (100m). Design a program to calculat...
The AT89C52 chip has only 8K bytes of repeatedly erasable read-only program memory (PEROM), so should the program code I write not exceed 8K? If the code exceeds 8K, what should I do if there is no ex...
AbstractTarget detection is the basis of SAR image understanding. Passive jamming of SAR will weaken its target detection capability. This paper selects the target detection probability as the perform...
In the PCB copying process, the failure of temperature and humidity control or the excessive temperature rise of the exposure machine sometimes causes the film to deform. If it is not improved, it wil...
I have a bachelor's degree in electronic information science and technology. I have just graduated and started working for half a year. I am currently working on electronics in a small company, but mo...
Now I need to make a program that can play videos on the wab website. I searched online and found that gglive has achieved a similar function. Can anyone introduce some ideas for playing wab streaming...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[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]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]