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Lightweighting of automobiles is a major trend, but many people overlook a very important link, that is, the automobile wiring harness. According to the data, the length of a vehicle's entire wiring ...[Details]
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220V AC remote control tester circuit material BOM list:
R1 = 100R-1/2W
R2 = 47K
R3 = 47K
R4 = 100R-1/2W
C1 = 0.47uF-275V
C2 = 470uF-35V
C3 = 10uF-25V
D1 = 1N4007
D2 = 1N4007
D3 = TL431
B1 ...[Details]
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1 Introduction
Dynamic display usually uses a dedicated chip 8279 to expand the keyboard and LED display. This method can realize the interrupt mode or query mode input of the keyboard, but the siz...[Details]
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The LED general lighting market has whetted everyone's appetite and attracted so much attention today for the following three reasons: first, its market is large enough; second, the first year of...[Details]
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//Sub-function delay_1ms(1) You can write it yourself
#define scan_key_port P3
uchar key_scan()
{
uchar sccode,recode;
uchar key_value;
scan_key_port=0xf0; /* Send all "0" row scan ...[Details]
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1 Introduction
As we all know, to achieve remote speed control and temperature detection of DC motors, signal transmission is undoubtedly important. Traditional analog control methods are not ...[Details]
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calendar.c #include "./I2C_OLED/oled.h" #include string.h #include stdint.h #include stdio.h #define DAYS_PER_WEEK 7 #define MONTHS 12 #define is_leap_year(year) ((year % 400 == 0) || (year % 4 =...[Details]
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July 13-14, hosted by China Integrated Circuit Design Innovation Alliance, Wuxi National High-tech Industrial Development Zone Management Committee, and National "Xinhuo" Mass Entrepreneurship Base (...[Details]
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According to Jiwei.com, Nikkei Asia Review reported on January 9 that Samsung Electronics is expected to invest more than US$30 billion in its semiconductor business for the first time this year to s...[Details]
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1. Introduction
The analog power
solution
shown in Figure 1
is a well-known and proven technique that power electronics engineers have no difficulty understanding in the time domain. Th...[Details]
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Before learning the Exynos4412 startup process, let's take a look at the Samsung 4412 chip startup block diagram: From the picture, we can see that 4412 has 64K ROM and 256K SRAM. A piece of code h...[Details]
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Mentor Graphics recently released a research report titled "Automotive Wire Harness Manufacturing Process Management". The full Chinese version of the report can be read and downloaded on Mentor Grap...[Details]
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Remote magnetic flap level gauge is a liquid level gauge that is used in conjunction with a magnetic flap level gauge and a magnetic switch or reed switch remote transmitter. It is widely used in l...[Details]
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On April 22, reporters learned that Alibaba DAMO Academy released the world's first "hybrid simulation test platform" for autonomous driving. The platform uses simulation technology that combines vir...[Details]
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STMicroelectronics' HFA80A automotive-scale input Class-D audio amplifier combines high efficiency, small size and low bill of materials cost, and optimizes load diagnostic functions for automotive...[Details]
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