When I first bought stocks , I was always wavering and didn’t know when to sell. So I habitually asked my husband. “Honey, it went up a little bit today, and it looks like it’s going to fall. Shou...
[p=20, null, left][font=Helvetica][size=4][color=#000000][backcolor=white]ARM and STMicroelectronics (NYSE: STM), a global semiconductor leader serving customers across multiple electronics applicatio...
It is said that STM32 has a 32-bit second counter, which can be accumulated as long as the battery is sufficient. The device I use is the STM32F4 MCU. Can this 32-bit register be read?
Also, the calen...
Fairchild online design tool is now available . Try it in person. Power Supply WebDesigner design tool (one click to use)Fairchild Design Tools Team recently launched an online design tool: Power Supp...
Now I have ported UCOS 2.76 on S3C2440, but a very strange problem occurred when establishing multi-tasks main(){ OSInit(); OSTaskCreate(Task_B, (void *)0, &Task_B_Stack[TSK_STK_SIZE-1],2); OSTaskCrea...
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[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]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
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