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2.1 MCU Internal Resources Three major resources: Flash: program storage space RAM: Data storage space SFR: Special Function Register 2.2 MCU Minimum System Three elements: power supply, ...[Details]
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Headphone Amplifier Requirements
--- Headphone amplifiers are mainly used in portable audio devices. Like other portable electronic products, they require devices with low operating voltage, low ...[Details]
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The LED display screen in use suddenly has garbled characters due to signal problems. If it happens at a major opening ceremony, the loss is irreparable. Therefore, how to improve the reliability a...[Details]
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When the sixth-generation iPad mini was released last fall, it became the first Apple tablet to offer smart directional volume buttons (pictured). Recently, Matt Birchler discovered that Apple has ...[Details]
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Mixer Tutorial: Crossovers, Speakers and Cabinets
1. Frequency division and frequency divider
Frequency division
refers to dividing the audio signal into high frequency b...[Details]
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1 Introduction
The task of the countdown system is to count down to a set date and display the time from the current date to the set date on the display screen to enhance people's attention and se...[Details]
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To understand the problem of reading ports and reading pins, think about the following questions:
(1) Is the pin structure diagram clear?
The above is the structure of one bit of P0 port....[Details]
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据韩媒etnews报道，消息人士透露，三星电子副会长李在鎔日前前往欧洲，主要目的在于访问ASML荷兰总部。 The report said that Samsung Electronics is currently planning to establish EUV production systems in Hwaseong, Pyeongtaek, South Korea, and Au...[Details]
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..\OBJ\HZ.axf: Error: L6218E: Undefined symbol EXTI_ClearITPendingBit (referred from stm32f10x_it.o). It means that EXTI_ClearITPendingBit is an undefined symbol, and referred from stm32f10x_it.o...[Details]
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According to foreign media reports, Tesla CEO Elon Musk said on Tuesday local time that the next generation of small cars the company is developing will mainly operate in self-driving mode and should...[Details]
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AVIA, the self-driving car industry's top lobbying group in Washington, D.C., is rebranding, dropping references to "self-driving" in favor of a more straightforward name. The group was founded in 20...[Details]
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After the light emitting diode (LED) was invented in 1962, its initial applications were mostly concentrated on instrument display purposes, and then gradually expanded to the fields of 3C product ...[Details]
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Abstract: The working principle of the synchronous rectifier flyback converter
and the working principle of the drive circuit
are analyzed in detail
. On this basis, a synchronous rectifi...[Details]
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On December 12, the fourth Battery Day of Honeycomb Energy with the theme of "Bee Man, Shining the Future" was held in Huzhou, Zhejiang. Hundreds of representatives from local governments, OEMs, su...[Details]
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CAN bus (Controller Area Network) is a local area network based on broadcast technology, which is widely used in automobiles, industrial automation, medical equipment and other fields. However, in ...[Details]
MicroPython Open Source section
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