The economic crisis and the world recession. Where should we, the 2009 graduates, go? There are many different opinions. In short, the fact is: the employment situation of 2009 graduates is grim. Take...
[i=s]This post was last edited by mmmllb on 2014-7-3 10:03[/i]From the time when President Cai Yuanpei revitalized Peking University in 1921, Tsinghua University hired Wang Guowei, Liang Qichao, Zhao ...
I am a novice. When I look at the Zigbee packaged products, I see that the pins P0 port has 8, P1 port has 8, and P2 port has 5. Do these ports correspond to the P0, P1, and P2 ports of the embedded 8...
Hello teacher:After the program is written into the chip, the touch screen program is normal, but the peizhi() subroutine aa2 is garbled and cannot be added
Can't reduce. Please guide me, there is som...
I am testing the network port on the development board. The speed of installing the FTP client on the development board and the server on the PC is not ideal. Now I want to set up a server under ce. C...
MSP430 MCU IAR code examples written by TI engineers (more than a thousand codes), sample codes for various types of chips, learn the program of TI engineers...
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
0Introduction
In oil drilling, accurate measurement of wellbore posture is the premise of wellbore trajectory control. To this end, this paper fully combines the advantages of single-chip ...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
Fieldbus is an open, digital, multi-point communication control system local area network, and is one of the most promising technologies in today's automation field. CAN bus is a hot application in fi...[Details]
1. Introduction
The balance ability
of human beings
is the basis for people to carry out various sports. People need
balance ability
to stand, sit, lie down and walk
. Once
...[Details]
Abstract
Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper int...[Details]
Talking
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