Hello friends: I'm currently working on CC2530's PWM duty cycle adjustment, using T3's 1-channel PWM with adjustable duty cycle output; the initialization procedure is as follows: /*******************...
[i=s]This post was last edited by star_66666 on 2018-4-28 17:33[/i] [color=#444444][font=Tahoma,]I was busy with work and research on lwip, usb, etc. some time ago. This week I officially started to s...
Beijing time, June 6 morning news, according to foreign media reports, in order to cope with the current economic crisis, many Internet and media companies may divest non-core assets. In the economic ...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:36 [/i] I have been looking for a voltage transformer with a rated voltage of 30 volts these days. My senior brother asked me to find a volt...
[size=4](I) 433 MHz is an old product in the field of data transmission. There are huge hidden dangers in using it for data transmission: the fatal weakness of the 433 MHz system is that the system se...
I am a newbie. I bought the Weixue Electronics OPEN107V development board (STM32F107VC) and the ST-LINK emulator of STMicroelectronics. I used the KEIL uVision4.12 version environment test program bef...
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]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[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]
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]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]
As AC induction motors become the preferred choice for industrial motors, the need to reduce power consumption in all aspects of the design continues to emerge, so improving the efficiency of these...[Details]
With the formulation of the national economic policy to vigorously stimulate domestic demand, infrastructure represented by transportation has become one of the most important contents. "If you wan...[Details]
Since the binocular vision monitoring system can imitate the functions of the human eye, perceive the three-dimensional world information, and obtain the depth information from the object to the CC...[Details]
The following figure is a schematic diagram of the fiber optic video surveillance network solution of OnAccess@ of Shoumai Communication. It is completely based on video digitization and Ethernet t...[Details]
1 Introduction
At present, the Ethernet protocol has been widely used in various computer networks, such as office LANs, industrial control networks, etc., and it is still developing. New ...[Details]
1 Introduction
In megawatt-level, high-power power electronics applications, large-capacity semiconductor devices are required. However, for some applications, even the largest semiconduct...[Details]