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#include reg52.h //Three LED lights are processed in parallel, flashing 0.5, 1, and 2 seconds respectively #define BLINK_TIME1 25 // Timing time 0.5S, interrupt once every 20MS #define BLINK_TIME2 50...[Details]
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Introduction to Needle Flame Tester Needle flame tester is suitable for testing the flame retardant properties of electronic components, electrical parts, mechanical parts, injection molded parts and...[Details]
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Preface: 2020 is known as the "first year" of mass production of LiDAR. Since July last year, RS-LiDAR-M1 has received a large number of orders for designated models from automakers, including L3 ...[Details]
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Introduction: Some people say that 51 address line multiplexing is the von Neumann structure. Many introductory books basically say that the system composed of arithmetic unit, controller, memory, in...[Details]
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When the current transformer (CT) is in working state, its secondary circuit must not be open, otherwise it will cause high voltage and liveness in the secondary circuit, which may damage the elect...[Details]
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Overview Freescale Semiconductor is one of the largest semiconductor companies in the world. Freescale is the number one supplier of automotive semiconductor microcontrollers (MCUs). Freescale offers...[Details]
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1. Experimental task
: Display "★", "●" and heart-shaped images on the 8X8 dot matrix LED. Use the buttons to select the image to be displayed.
2. Circuit diagram
Figure 4.26.1
3. Ha...[Details]
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Environment: AT91sam9x25, development board operating system: debian, redhat installed in vmware workstation. Step 1: minicom configuration 1. The PC and the development board serial port must be c...[Details]
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PLC is widely used in special equipment for mechanical processing. However, there is a problem that is often overlooked by novice programmers, that is, the delay problem.
Simply put, tak...[Details]
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Advantages and disadvantages of machine vision
Advantages of machine vision:
Efficiency: Machine vision can quickly acquire, process and analyze large amounts of image and video data, the...[Details]
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The measurement of rock mass joint fissure width is widely used in many engineering fields such as geological exploration, mining engineering, highway and railway construction, and nuclear power en...[Details]
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IT Home reported on April 20 that a new realme 5G phone with model RMX2142 has now been registered with the Ministry of Industry and Information Technology. Information from the Ministry o...[Details]
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PIC16C5X series can use 4 types of oscillation modes: standard crystal/ceramic oscillation XT, high-speed crystal oscillation HS (above 4MHz), low-frequency crystal oscillation LP (32KHz) and resisto...[Details]
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Recently, the Guangdong Securities Regulatory Bureau disclosed that Juxin Technology Co., Ltd. (hereinafter referred to as "Juxin Technology") had completed the coaching registration with the Guangdo...[Details]
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Abstract: This article uses BYD's patents to understand electric vehicles, on-board chargers and their overcurrent protection circuits. The on-board charger includes an AC/DC converter and a DC/DC ...[Details]