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1. Circuit Principle
This circuit uses 89C2051 single-chip microcomputer to design the hardware circuit as shown in Figure 1. AT89C2051 has 2k bytes of flash programmable erasable read-only mem...[Details]
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Radar is ubiquitous in new car designs: sensing around the car to detect hazards and make decisions for braking, steering and parking, as well as in the cabin for driver and occupancy monitoring sy...[Details]
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Industry leaders aim to standardize smart store tags using the latest Bluetooth SIG. Qualcomm Technologies and SES imagotag have recently formed a powerful team to transform retail spaces, announci...[Details]
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TCL-HiD432/522 type
Rear projection color TV, in order to meet the load power supply requirements, uses two sets of power supply circuits
to power different loads, as shown in Figure 1.
...[Details]
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The arrangement of LEDs and the specification of the LED light source determine the basic driver requirements. The main function of the LED driver is to limit the current flowing through the LED unde...[Details]
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Voltage controlled oscillators can be divided into ring oscillators and LC oscillators. Ring oscillators are easy to integrate, but their phase noise performance is worse than that of LC oscil...[Details]
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Recently, SIA published an article stating that the United States should indeed pay attention to the decline in its chip manufacturing share, but the focus should be placed on more places and not jus...[Details]
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1. Why does the 51 microcontroller prefer to use 11.0592MHZ crystal oscillator? First, because it can accurately divide the red clock frequency, which is related to the baud rate commonly used in UAR...[Details]
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Design strategy for intelligent video surveillance application system
With the improvement of broadband wired and wireless network infrastructure and the growth of global security market deman...[Details]
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Heart-shaped lamp schematic diagram Compiler software: Keil uVision5 (If necessary, you can click this link to download: https://download.csdn.net/download/qq_36931762/11343174) MCU program downlo...[Details]
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Experiment 1 - Lighting up an LED
1. Look at the schematic to determine how the hardware is connected
The schematic diagram shows the hardware circuit of the chip controlling the LED and ...[Details]
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In recent years, the communication industry has developed rapidly. With the widespread application of high-tech, mobile communication technology has also accelerated its pace, and higher requiremen...[Details]
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Since March, supply disruptions have continued to occur in the Russian market. First, manufacturers such as Intel, Microsoft, Apple, and Dell suspended shipments or stopped some services, followed by...[Details]
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A vehicle management system based on Python+Django+MySQL. It uses Echart to build charts, supports one-click switching of color themes, and obtains vehicle information by connecting to the database...[Details]
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The emergence of advanced personal medical devices at reasonable prices is changing the entire healthcare industry, allowing consumers to monitor their vital signs and other key indicators at home or...[Details]
DIY/Open Source Hardware
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