As shown in the picture, what is the function of this voltage regulator? Please explain. The VCC above is 24V. There is an error in the picture. [[i] This post was last edited by 5137796 on 2011-4-29 ...
I have used an audio switching chip (HEF4051BT) before, which is an eight-choice audio selection chip (but it can only switch mono audio). Now I want to find an audio switching chip that can switch bo...
[i=s]This post was last edited by dcolour2019 on 2019-7-2 14:36[/i]Dacai IoT serial port screen can traverse the files in the external U disk or SD card by adding LUA program. In the example project d...
As the title says, thank you very much. I have already typed: WinCEPB50-081231-Product-Update-Rollup-Armv4I.msi WinCEPB50-090131-2009M01-Armv4I.msi WinCEPB50-090228-2009M02-Armv4I.msi When compiling, ...
My mother is a university teacher. She was the director of the examination room for the CET-4 and CET-6 exams a few days ago. When she was invigilating the CET-4 exam, a little girl was caught cheatin...
Establishing a perfect urban public transportation dispatching monitoring system is one of the essential means to relieve urban traffic congestion. The composition structure, development approach and ...
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]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[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]
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]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[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]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]