Abstract: The principle of the pulse width modulation current mode controller NCP1200A for low power general offline power supply is introduced, and the advantages of this controller are further illus...
The function for setting the module interrupt priority in the Systick module initialization configuration function (Systick_config) is:
NVIC_SetPriority((SysTick_IRQn, (1__NVIC_PRIO_BITS) - 1);The par...
In many control situations, it is necessary to divide the signal. The following uses the two-frequency division program shown in Figure 5-16 as an example to illustrate how PLC achieves frequency divi...
Taiwan has perfected the human body special function computer. They are better than the mainland in computer "personnel table buffer" intelligent programming.... It is set theory + firewall programmin...
Project Overview
The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific g...[Details]
With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[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]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
Introduction
The home ECG and blood pressure monitoring system consists of a data acquisition and recording device and a host computer electronic medical record management system. Therefor...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]
With the increasing application of various nonlinear loads, reactive power and harmonic pollution in the power grid have become a very serious problem. In order to eliminate the pollution caused by...[Details]
The automated management and operation system has become an indispensable part of modern enterprises. The video image transmission monitoring system has been widely used in important occasions such...[Details]
introduction
Using wireless sensor networks to detect the amount of grain in a grain depot is a new technology. Due to the complexity of grain piles, a large number of unevenly distribut...[Details]
With the development of mobile computing technology and wireless communication technology, micro mobile terminal devices are increasingly used in the fields of mobile data collection, transmission,...[Details]
Power technology
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