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introduction
In recent years, software radio (SDR) has developed rapidly and has shown its superiority in many fields. The background of this project is to realize the baseband signal proce...[Details]
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The previous two articles analyzed the driver architecture of the watchdog timer, and the other one analyzed the probe function corresponding to the platform device. Although the corresponding remove...[Details]
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Machine vision has long been used in industrial automation systems to improve production quality and yield by replacing traditional manual inspection. From pick and place, object tracking to metrolog...[Details]
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Compared with other large-screen display technologies such as LCD and projection display, LED display technology has its unique advantages: high brightness, wide viewing angle, rich colors and cust...[Details]
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As we all know, under the ARM architecture, function parameters are passed through registers r0~r4; but if there are more than four parameters, the stack must be used. The following is an example. ...[Details]
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1. Introduction
Recalling the PC architecture, we know that the boot loader in the PC consists of the BIOS (which is essentially a firmware program) and the OS Boot Loader (such as LILO and GR...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The ADC0832 differential simulation schematic is as follows. The MCU source program is as follows (with detailed comments): #include reg52.h #include intrins.h #include 1602.h #define uchar u...[Details]
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High-power LEDs are widely used mainly due to their long life, small size, high power conversion efficiency, and high color temperature. However, in the promotion and application of LEDs, efficient...[Details]
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As we all know, the relationship between the frequency domain and the time domain can be described by Fourier theory. By performing inverse Fourier transform on the reflection and transmission freque...[Details]
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Preface Temperature detection is also a common test point in the Blue Bridge Cup. Sometimes it is necessary to display one or two decimal places, and sometimes only the integer place is needed (usual...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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1. Write subroutine Add_16 to implement double-byte unsigned number addition. It is required to define variables ACCALO, ACCAHI, ACCBLO, and ACCBHI at addresses 0x70~0x73. ACCALO; store the lower 8...[Details]
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The piezoelectric ceramic piece is the core component of the vibration level switch. It makes the instrument probe vibrate and receive signals at the resonant frequency, and outputs a switch signal...[Details]
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15W constant power switching power supply circuit
Figure 15W constant power switching power supply circuit
The circuit of the 15V, 15W constant power switching power supply ...[Details]
PCB Design
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