Below is the circuit diagram of the power supply part of the board.The function of the board is that the 300V DC motor rotates through PWM controlled by the microcontroller.The problem now is that aft...
Let's not talk about theory first, let's take an example: A LCD driver Lcd.c file has functions WriteChar(char n), WriteString(char *str); to facilitate the search of functions, it is usually necessar...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:03[/i]
SmartMX2 platform provides smart card-grade high performance, security and flash memory, which will change the traditional SIM a...
[size=3] The power supply circuit is an important part of an electronic product. The quality of the power supply circuit design directly affects the performance of the product. The power supply circui...
This function is used when eboot loads NK: [code] #define IMAGE_WINCE_CODE_PA 0x80001000 #define IMAGE_WINCE_CODE_SIZE 0x04000000 pData = OALPAtoCA(IMAGE_WINCE_CODE_PA); [/code] OALPAtoCA is described...
[size=4] CC2500 chip is an ultra-low power consumption, low-cost wireless transceiver module launched by TI (formerly Chipcon acquired by TI). Its carrier frequency range is adjustable from 2.400GHz t...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[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]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
Switching Power Supply Study Group
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