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1 Introduction
Among vehicle positioning systems, GPS is the most widely used in the world, and its functions have been widely accepted. It can provide users with global, all-weather, high-pre...[Details]
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Although the World Cup in Qatar has long come to an end, there are always some things left behind during the game that have become people's talk after dinner. For example, Hisense's "breaking circle"...[Details]
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The internal structure of SMD602 is shown in Figure 1. Its basic structure is the same as NUD4700, but with an additional reverse-connected diode, which can provide a current path when the polarity...[Details]
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The basic instruction syntax of EMC is actually only 57/58. How to change it depends on your practice. However, it is easy for novices to fall into some misunderstandings, and some skills of veterans ...[Details]
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Photovoltaic concept stocks have been hyped up one after another, and the market is paying close attention to whether the industry can find a way to recover? Recently, the photovoltaic concept sect...[Details]
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As a supplier of conductive interconnect materials, Engineered Conductive Materials LLC (ECM) of the United States has recently launched CI-1083-L and CI-1081-H conductive grid inks for thin-film s...[Details]
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Recently, there have been multiple rumors confirming that Apple is internally testing the durability of foldable screen devices and will launch its first foldable screen iPhone next year. Bu...[Details]
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PIC16F616 is a 14-pin, 8-bit CMOS microcontroller. It uses a reduced instruction set with only 35 instructions. Due to the use of the Harvard bus structure with separate data bus and instruction bu...[Details]
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1. SPI usage principle Data transmission is realized by data exchange, the first jump edge realizes data output, and the second jump edge realizes sampling. As shown in the following figure 2. GPI...[Details]
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The IPM gate drive isolation circuit is shown in Figure 3. It realizes the photoelectric isolation of the 6-way WM signal of 80C196MC and IPM, and realizes the driving and level conversion functions....[Details]
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1. Introduction
In the closed-circuit monitoring system, the monitoring video image is not good and there are interference problems. It has always been one of the most common, most difficu...[Details]
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Detection function
The MAX714 series monitors the power supply voltage Vcc and outputs two voltage drop signals, which are operated in two stages, as shown in the figure. When Vcc drops below 5....[Details]
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Apple was in trouble: While the iPhone was selling like hot cakes, Mac sales were stagnant. The Mac’s design and performance didn’t impress customers. Five years later, however, Mac sales are soari...[Details]
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#include
#include intrins.h
#define uchar unsigned char
#define uint unsigned int
sbit rs=P3^3;
sbit rw=P3^4;
sbit en=P3^5;
sbit bflag=P2^7;
sbit reset=P3^0;
sbit sclk=P3^1;
sbit io=P3^2; ...[Details]
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As an industry with tens of billions of kilowatt-hours of energy-saving space and hundreds of billions of yuan of potential market, my country's LED civilian lighting is almost an uncultivated virg...[Details]
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