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#include stc89.h
#include intrins.h
#define uchar unsigned char
#define uint unsgined int
uchar code shuzi ="0123456789-:";
uchar d0,d1,d2,d3,t0;
sbit lcd_rs=P2^5; //Data/command selection termina...[Details]
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Since humans entered the information age, information from nature has been coming in through sensors. With the development of technology, people are no longer satisfied with the original single, in...[Details]
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Recently, a detailed design drawing of the suspected iPhone 14 Pro Max surfaced online. The diameter of the pill-shaped hole on the front panel of the phone is said to be 7.15mm, while the diameter o...[Details]
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The original wireless LAN standard was designed to provide low-data-rate wireless connections to wired broadband connections for web browsing and email. Over time, new 802.11 wireless protocols have b...[Details]
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The significance of transformer drying The purpose of transformer drying is to remove moisture from the transformer insulation material, increase its insulation resistance, and improve its flash...[Details]
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In the ARM architecture, reset, interrupt, fast interrupt, etc. are all considered "exceptions". When these "exceptions" occur, the CPU will look for instructions at fixed addresses. Their correspon...[Details]
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SK Telecom successfully exported 5G technology to Japan. This is the first time that a Korean telecommunications company has signed a 5G technology export contract with an overseas telecommunications...[Details]
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Abstract: Many devices require a user interface to adjust temperature, backlight intensity, power supply voltage, etc. This user interface needs to be able to avoid accidental key adjustments. If a di...[Details]
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arm instruction set
Jump instruction to implement process jump
Special jump instruction
b Jump instruction
Format:
B{condition} target address
The sample code is as follow...[Details]
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The filaments of 9-inch and 12-inch picture tubes are generally powered by a 12V regulated power supply. When the picture tube ages, it is often necessary to increase the filament voltage to increa...[Details]
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Reporter: For those who are not familiar with the energy and power sector, the concept of energy interconnection is still somewhat unfamiliar. What do you think energy interconnection m...[Details]
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The address bus is unidirectional and is used to transmit address information. The width of the address bus is 16 bits, so the external memory can directly address 64K. The bus width is 16 bits. "Bit...[Details]
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Recently, China Unicom and ZTE Corporation signed a 6G joint strategic cooperation agreement. According to the content of the cooperation agreement, the two parties will give full play to their res...[Details]
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DeepFake face-swapping has caused a stir around the world. Starting with the creation of indecent celebrity videos that look real enough, many users have used this "face-swapping artifact" as a v...[Details]
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Soft starter undervoltage fault is one of the common problems in electrical systems. This article will introduce the causes, diagnosis methods, treatment measures and prevention measures of soft st...[Details]
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