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#include
#define uchar unsigned char
#define uint unsigned int
sbit DQ=P1^6;//ds18b20 and microcontroller connection port
sbit RS=P1^0;
sbit RW=P1^1;
sbit EN=P1^2;
sbit BEEP=P1^7;
//unsigned ...[Details]
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2019 is a year of industrial sinking. When the population dividend and land dividend of first-tier cities are exhausted, many industries are on the road of sinking to third- and fourth-tier cities. T...[Details]
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Frequency characteristics are the response characteristics of a system (or component) to input signals of different frequencies, and are one of the most important characteristics of a network. The ...[Details]
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There are two common working principles of flue gas analyzers, one is the electrochemical working principle, and the other is the infrared working principle. The following is an introduction to the ...[Details]
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In a recent report, SWEYNTOOTH pointed out that when testing the SDK of the BLE SOC chip, it was found that attackers could trigger the BLE SOC chip protocol stack to deadlock, crash, buffer overflow...[Details]
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What is the biggest annoyance you encounter when using a portable device? Market research shows that battery cycle time (i.e., the length of time between two charges) is the aspect that portable de...[Details]
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I don't remember where I heard this sentence: 50% of the code of a product is used to implement functions, and the other 50% is used for fault tolerance. This shows the importance of fault tolerance. ...[Details]
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The control of the servo generally requires a 20ms time base pulse, and the high level part of the pulse is generally the angle control pulse part in the range of 0.5ms~2.5ms. Taking a 180-degree ang...[Details]
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Principle and structure of laser head
Since the advent of the 12cm diameter digital audio CD in 1982, the digital video DVD (digital video disk) has been a dream of the new generation...[Details]
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1. Detection of fixed capacitors. A. Detection of small capacitors below 10pF. Because the capacity of fixed capacitors below 10pF is too small, it can only be qualitatively checked by measuring with...[Details]
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Recently, the research team led by Researcher Luo Jun from the Integrated Circuit Pioneer Process R&D Center of the Institute of Microelectronics of the Chinese Academy of Sciences has made phased pr...[Details]
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For PC DIY enthusiasts and gamers, graphics card prices have finally dropped as everyone expected after being high for months, and they have dropped by nearly 50% in just two months. The RTX 3060, wh...[Details]
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1 Introduction
As we all know, in the application circuit of power electronic devices, a snubber circuit, that is, an absorption circuit, must be set without exception. Some readers who are us...[Details]
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The main fan of the west wind shaft of Zhangcun Coal Mine is the lifeblood of the mine ventilation system. It consists of two AGF-606-2.442-1.2-2 axial flow fans and JR1510-8 motors produced by the Fa...[Details]
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Real-time supply chain visibility and increased transparency into purchase orders help synchronize all aspects of a high-tech global supply chain, improving customer service.
Over a...[Details]
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