/******************************************************************************* * Title: Serial communication * * Author: Qilindao * Function: Send two numbers, and end after sending.****************...
When I single-step debug and only display one digital tube, the voltage across the digital tube is 5V, but when I dynamically scan two digital tubes, the voltage of each digital tube becomes 2V. What ...
A few days ago, a friend asked me that there are two versions of 18b20 in the market, c3 and c4 (I am not well-informed and have never heard of them). He originally used the c3 version, and later his ...
[align=center][size=14px][size=4][img=488,309]https://12.eewimg.cn/bbs/data/attachment/forum/201905/20/142723ylpdlg5sbitgf8il.jpg.thumb.jpg[/img][/size][/size][/align] [size=4][size=4] [/size] This ...
I want to participate in the Innovation Cup Science and Technology Competition in school, but I don't know what topic to choose and which aspect will be more beneficial. I hope you guys can give me so...
It's urgent. The first draft needs to be submitted on the 16th of this month. I can't even draw a circuit diagram, and I have to make a PCB board. If you have any information, please send it to me. [e...
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]
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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[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]
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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]