I would like to ask how, in a 4-layer board, Altium Designer can hollow out a piece of copper in the power layer and the ground layer. Ordinary ground can use cutout, so what should I choose for the p...
--Three channels of PWM, d1, d2, d3 show different brightness respectivelylibrary ieee; USE ieee.std_logic_1164.ALL; USE ieee.std_logic_arith.ALL; USE ieee.std_logic_unsigned.ALL; ENTITY MyPWM IS GENE...
I am reposting an engineer's article because I think it may be inspiring to many friends, so I am reposting it here: Microcontrollers are a very practical subject. Without practice, everything is just...
Recently, the servo drive keeps giving alarms. I hope you can give me some guidance. Thank you very much! I use a servo system of Delta ASDA-AB series 0.2KW. It keeps giving "ALE09" alarm. According t...
Usually, one power module can solve industrial problems, but in some super-large equipment load transmission, one power module may not meet the requirements, and multiple power modules need to be conn...
[i=s]This post was last edited by fan12398 on 2015-9-12 19:24[/i] Looking at the datasheet of AD7903, its common-mode input voltage is as shown in the figure below, 0.475*Vref ~ 0.525*Vref. If 2.5V Vr...
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]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[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]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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. 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]
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]
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]
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]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[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]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[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]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
PCB Design
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