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#include
#define uint unsigned int
#define uchar unsigned char
uchar flag,p;
sbit l5=P0^4;
sbit beep=P3^4;
uchar scan_key(void)
{
uchar temp;
temp=P0;
return temp;
}
void delay(uint k)
{...[Details]
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Due to the large-scale application of portable devices such as smartphones and tablets, power management technology has received more and more attention, but it has also brought new challenges. It is...[Details]
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1 Introduction to micro motors
Micro motors refer to motors that are different from conventional motors in principle, structure, performance, and function, and have very small size and output ...[Details]
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There is a process in the steel pipe finishing production line that requires measuring the length of each steel pipe. The automatic length measurement systems currently in use can be basically divi...[Details]
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On July 4, Silicon Valley analysts reported that an Apple employee revealed that official documents had mentioned that iPhones had performance issues using Beidou signals, so Apple blocked the Beidou...[Details]
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In the previous blog post ( http://bbs.ednchina.com/BLOG_ARTICLE_3005040.HTM ), I introduced the window factor used in the oscilloscope FFT transform, including why the window factor is needed...[Details]
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Mica capacitor:
CY-OA nominal capacity: 10-43P Rated DC voltage: 200V Maximum reactive power: 5 (Var) Capacitance temperature coefficient: +-200*10 (-6) / C Capacitance temperature stability:...[Details]
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September 28, 2023, Shanghai, China - Smartway (Shanghai) Electronic Technology Co., Ltd. officially launched the Cellphone Sensor (CS) Series 13-megapixel image sensor product for mobile phone appli...[Details]
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On June 9, Zhuoshengwei's stock price continued to rise, reaching a maximum of 454.60 yuan per share. As of press time, the intraday increase exceeded 6%, and the total market value reached 151.3 bil...[Details]
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In the past few years, thanks to the promotion of major manufacturers, the entire mobile Internet industry has made great progress. It has also driven the development of wireless technology, and new t...[Details]
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The circuit shown in Figure 1 is a complete adjustment-free linear variable differential transformer (LVDT) signal conditioning circuit. This circuit can accurately measure linear displacement (posit...[Details]
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The control program reads and writes IIC devices through the serial port input R and W. The baud rate is 9600bps and the crystal oscillator is 115200HZ. main.c /*---------------------------------...[Details]
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E-books are undoubtedly the hottest application in the current portable electronics market. So what are the biggest competitive advantages and selling points of e-books? What should be paid attenti...[Details]
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Thundersoft recently said at an investor relations event that the two schools of thought, Nvidia GPU and Mobileye, have a trend of integration, and from the trend point of view, the two will exist in...[Details]
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On October 29, Xiaomi launched two new models, Xiaomi 15 and Xiaomi 15 Pro, at a new product launch conference, both equipped with Goodix's ultrasonic fingerprint recognition solution. This is the ...[Details]
Analog electronics
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