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This is a multi-purpose driver card that uses TL494 for PWM control. The circuit is conventional and has no technical content.
The circuit consists of two parts. The upper part of the figure...[Details]
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We often hear
that
the triggering modes
of
oscilloscopes
include level triggering and edge triggering, etc., but what exactly is triggering? What is its use in oscilloscopes? In orde...[Details]
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summary
In the automotive industry, the implementation of cybersecurity is low. A car has multiple electronic control units (ECUs), and each ECU communicates a lot of information with another ...[Details]
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In order to cope with the unprecedented global chip crisis, more and more electronics manufacturers are turning to unconventional supply channels to meet demand. Many manufacturers are suffering from...[Details]
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Often, we hope that our microcontroller can save some data after power failure, and read the data and continue working next time it is powered on. My project now uses the STM32F4 microcontroller, and...[Details]
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Preface
Smart home, or smart residence, is often called Smart Home in English. Smart home is an efficient, comfortable, safe, convenient and environmentally friendly living environment that takes...[Details]
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Abstract: This article specifically describes the basic principles and specific formats of linear predictive coding for common speech compression methods, and conducts a detailed analysis of the...[Details]
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This protection circuit can not only prevent undercharging and overcharging, but also automatically cut off the power if the charger does not switch to green light for ten hours to prevent serious...[Details]
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On September 29, the Tibet Power Grid fully completed the annual target of exporting 1.4 billion kilowatt-hours of Tibetan electricity three months ahead of schedule. This is another important achi...[Details]
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The internal structure of the AT89S51 microcontroller serial port is shown in the figure below. It has two physically independent receiving and transmitting buffers SBUF (special function registers),...[Details]
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Turbine flowmeter is widely used to measure liquids in closed pipes that corrode stainless steel and hard alloys, and have no impurities such as fibers and particles. The kinematic viscosity of the l...[Details]
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Apple may slightly postpone the release date of the iPhone 12 series smartphones due to the ongoing COVID-19 pandemic, but the leaks about the new phone have not stopped. In addition to various ...[Details]
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The "redundant design" of the PLC control system is mainly used in two aspects: one is the "redundant design" of the control circuit, such as the emergency disconnection circuit, etc.; the other is...[Details]
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Nikkei reported that Samsung Electronics has invested heavily in a group of medium-sized companies in an effort to build a chip supply chain network consisting of equipment factories and raw material...[Details]
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As the electrification transformation enters the deep water zone, the new energy vehicle industry is experiencing rapid technological iteration and accelerated market penetration. As one of the imp...[Details]
Power technology
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