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To use a 32.768 kHz watch crystal as the device clock source, the low frequency crystal oscillator must be selected by setting the CKSEL fuse to “1001”. The crystal connection is shown in Figure 13. ...[Details]
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With the emergence of electronic distance measurement technology, the development of tachometers has been greatly promoted. Using electromagnetic wave distance meter to replace optical sight theodo...[Details]
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Flyback is a common power supply design method. Flyback is to release the stored energy by outputting the secondary when the primary is de-energized. In the flyback power supply circuit, there ar...[Details]
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Power management semiconductors clearly emphasize the position and role of power management integrated circuits (power management ICs, referred to as power management chips) in terms of the devices...[Details]
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The parallel connection technology of inverter power supply is an important technical means to improve the reliability of inverter power supply and expand the power supply capacity. The current dev...[Details]
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Touch screen interface mode Normal Conversion Mode: Normal conversion mode, generally you can configure ADCCON and ADCDAT0 to read data. Separate X/Y position conversion Mode: The x and y coord...[Details]
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One of the most useful features of USB power is the ability to charge batteries in portable devices. However, whether it is USB power or other power sources, battery charging is more than just draw...[Details]
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China Energy Storage Network:
Under the general situation of carbon peak and carbon neutrality goals, the power system has shown new operating characteristics in the accelerated development...[Details]
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Currently, countries and regions around the world have begun to ban the use of incandescent lamps. Driven by policies and the long life effect of LED lamps, LED lighting entered a boom year in 20...[Details]
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You can divide most waves into the following categories: ■Sine wave ■Square wave and rectangular wave ■Sawtooth wave and triangle wave ■Step and pulse shapes ■Periodic and non-periodic signals ■Synch...[Details]
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Consulting firm Accenture launched a survey on future mobility solutions, with a total of 7,000 consumers in the United States, Europe and China, of which 85% of the respondents were car owners. Th...[Details]
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With the continuous development of artificial intelligence and digital technology, the medical industry is gradually moving towards intelligence, decentralization and precision, and these new technol...[Details]
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On December 18, Huawei released a statement on its official website on November 17, 2020, officially confirming the sale of Honor. Huawei said that the reason for selling Honor was mainly to allow Ho...[Details]
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Here we take the IC card commonly used in public telephones as an example to illustrate the entire IC card device driver module through the implemented code.
(1) Determination of data structur...[Details]
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Introduction
The MultiBus-CPU module is an intelligent multi-bus measurement and control module based on the AT91RM9200 microcontroller. The CPU module mainly realizes the control of the l...[Details]