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Low noise characteristics Several features reduce system noise generated by the power supply. Wide resistor-programmable switching frequency range: A resistor on the RT pin can program the switch...[Details]
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SK Innovation (SKI), a subsidiary of South Korea's SK Group, has begun investing 2 trillion won (US$1.764 billion) in its second battery factory in Georgia, USA. Once completed, it will produce batte...[Details]
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Recently, Loongson Technology Co., Ltd. officially released the Loongson 3A5000 processor. This product is the first processor chip to use the independent instruction system LoongArch, and its perfor...[Details]
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1. Function The 16×16 dot matrix display learning board is shown in the figure below. The brightness of each point of the LED display is uniform and sufficient. It can display graphics and tex...[Details]
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According to Jiwei.com news on April 12, Shenzhen Textile successively released its 2018 performance report and the first quarter 2019 performance announcement. In the 2018 performance announcement,...[Details]
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According to Xinhua News Agency, the factory infrastructure construction of North Latitude 38 Integrated Circuit Manufacturing Co., Ltd. (hereinafter referred to as "BWIC") has been completed and is ...[Details]
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The year that Morris Chang, the godfather of Taiwan's semiconductor industry, went to MIT to study mechanical engineering, his distant cousin-in-law Terry Gou was just born. When Morris Chang retur...[Details]
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As shown in the figure, 555 and R1, R2, C1 form an astable multivibrator, with an oscillation frequency of about 10kHz and a duty cycle of nearly 50%. VT2 and VT3 are used as switch tubes to expand...[Details]
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System Diagram:
program:
#include at89x51.h
unsigned char code table ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,
0x80,0x90};
unsigned char count;
unsigned char second,temp;
bit alarmflag;...[Details]
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LED
is called the fourth generation lighting source or green light source. It has the characteristics of energy saving, environmental protection, long life and small size. It can be widely us...[Details]
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WM Motor was founded in 2015 (formerly the three-electric system research and development company of co-founder Du Ligang, founded in 2012). WM Motor is committed to promoting the development and imp...[Details]
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Delay functions are often used in microcontroller programming. The most commonly used ones are microsecond delay delay_us() and millisecond delay_ms(). 1. Ordinary delay method This is relatively sim...[Details]
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Beijing time, April 14th afternoon news, it is reported that after releasing a strong first-quarter financial report, TSMC today expects sales in the second quarter of this year to reach approximatel...[Details]
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0. Summary This article takes the STM32F1x series microcontroller as an example, mainly introducing the serial port initialization, serial port interrupt, receiving/sending, serial port debugging, et...[Details]
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In the previous basic knowledge, physical addresses were used to light up the LED lights. Now, after learning about MMU, we will use the knowledge of MMU to light up the LED lights with virtual add...[Details]