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First, the materials to be prepared are: a board, an 89c51/52 chip, a 51 chip socket, a 12MHZ crystal oscillator, a 10 resistor, and a 10uf electrolytic capacitor. Two 20-33pf ceramic capacitors, som...[Details]
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In the design of DC-DC converters, when the input is equal to the output, if the conversion method when the input and output are not equal is still used, the conversion efficiency will not be impro...[Details]
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In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]
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On June 3, IDC's Global Quarterly Mobile Phone Tracker showed that smartphone shipments are expected to reach 1.38 billion units in 2021, a 7.7% increase from 2020. This trend is expected to continue...[Details]
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"AI cockpits have experienced explosive growth in the past five years, but now problems are emerging quickly. The product line in this field has developed so fast that other systems cannot keep up....[Details]
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How does an oscilloscope display the waveform between two sampling points?
There are many display modes for oscilloscopes: point display, sine interpolation display, and straight line connection ...[Details]
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On October 10, the Beijing Office of the Guangzhou Municipal People's Government and the Nansha District of Guangzhou jointly held a special promotion event in Beijing titled "Building Dreams in Nansh...[Details]
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As a new lighting technology, LED has attracted worldwide attention for its application prospects. In particular, high-brightness LED is hailed as the most valuable light source in the 21st centu...[Details]
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Recently, Qualcomm officially announced the launch of the latest product of the Snapdragon Automotive Intelligent Connectivity Platform, a car-grade Wi-Fi 7 access point solution: Qualcomm QCA6797AQ....[Details]
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1 Overview The communication physical layer interface used for data communication between multiple machines is the basis for data sharing in distributed measurement and control systems. Traditional d...[Details]
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Many people may have imagined themselves as an agent like 007. In many spy movies, the cars driven by the protagonists are very cool. Not only are they fast, they can even be used as weapons or for c...[Details]
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What are the advantages of using infrared thermometers to measure human body temperature
? Infrared thermometers used to test human body temperature are called human infrared thermometers. However,...[Details]
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Everledger has released a new range of anti-counterfeit bottle caps for the wine and spirits industry. In response to the growing problem of counterfeit wine worldwide (counterfeit wine alone is esti...[Details]
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On January 11, the Liangmu Road Solar Storage and Charging New Energy Charging Station was officially put into operation. On the morning of the same day, the responsible persons of the district's h...[Details]
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12V cut-off switching power supply circuit
Figure 12V cut-off switching power supply circuit
The circuit of the 12V current-cutoff switching power supply is shown in Figure 4. This circuit ...[Details]
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