[font=Verdana]Reposted from Zhou Ligong Forum[/font] [font=Verdana][/font] [font=Verdana]I have been learning UCOS for a while, and always wanted to find a transplantation case to try running it[/font...
First of all, this is not an advertisement.
Customers often mention that when winter comes, there is gas inside the camera housing. When the infrared light is turned on, the gas hits the glass and pro...
I am developing and testing TFT LCD screens recently. At first, I compiled the CE system with a 3.5-inch 320*240 resolution. The text can be displayed completely. Later, I changed to a 4.3-inch 480*27...
Abstract: The basic requirements for the matching of ballasts and fluorescent lamps are proposed, and their shortcomings are pointed out. The influence of electronic ballasts on the operation of fluor...
I have three things on hand, which I don't need for the time being, but I'm here to respond to the EE solicitation order... 1 A MAXIM anemometer. It was the prize for the emergency light last time. Th...
I want to make a hardware system with a console port, and control it through a PC. I see that switches usually use RJ45 as the console port. I don't know much about hardware, so I'd like to ask some l...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[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]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]