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Using bit definition to implement LED running lights #include reg52.h #define time 20000 sbit LED1=P2^0; sbit LED2=P2^1; sbit LED3=P2^2; sbit LED4=P2^3; sbit LED5=P2^4; sbit LED6=P2^5; sbit LED7=P...[Details]
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There are two types of analyzers used in sewage treatment plants: pH meters and dissolved oxygen analyzers. 1. Working principle 1. Working principle of pH meter The pH value of water depends on th...[Details]
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In recent years, the single-chip microcomputer system has gradually penetrated into the practical engineering applications of various industries with its advantages of small size, powerful function...[Details]
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Electromagnetic interference (EMI) is a part of our lives. Over time, the presence of both intentional and unintentional EMI radiators can wreak havoc on circuits. The signals from these radiators do ...[Details]
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S3C2440A has 5 16-bit timers, each of which can work in interrupt mode or DMA mode. Timers 0, 1, 2, and 3 have PWM functions. Timer 4 is an internal timer and does not have an external output line. T...[Details]
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As people pay more and more attention to health and the environment, temperature sensing becomes increasingly important. Temperature sensing functions are added to many devices, such as medical therm...[Details]
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Steam can be divided into saturated steam and superheated steam. In the flow meter, the density can be obtained by looking up the table based on the temperature and pressure of the superheated steam ...[Details]
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1 Introduction
Power
transformers
are very common and important electrical equipment in power systems. They operate relatively reliably and have a low probability of failure. However,...[Details]
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The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of computing data, such as ...[Details]
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Since the PCI-E 1.0a specification in 2004, the motherboard has started to have the latest serial high-speed PCI-E bus. Compared with the original PCI V2.3, the PCI-E bus has great advantages. Firs...[Details]
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On the morning of March 4, Apple launched a new service this week designed to enable iCloud users to quickly and easily transfer their stored photos and videos to Google Photos. As described ...[Details]
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MAX7232BF has 4-bit serial input, 2 decimal points and 4-bit address; the output is 10-bit data plus 20 independent decimal points, the data output code is BCD code, and the 2 decimal points ...[Details]
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What is RTC? RTC: Real-Time Clock. RTC can be used to achieve accurate timing of products. For example, laptops and electronic calendars have RTC modules. When the main power is off, the RTC module...[Details]
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QW2889F is a special chip for emergency detection and control. The chip adopts patented high-voltage isolation and detection technology, directly monitors the status of AC input signals without any...[Details]
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The market demand for lithium iron phosphate continues to be strong, and its market share has hit a new high. According to the data from the Power Battery Application Branch, the domestic power bat...[Details]
Test/Measurement
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