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Power management generally refers to issues related to powering a circuit board. Issues include: Selecting various DC-DC converters to power the board Power supply sequencing/tracking Voltag...[Details]
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RS485 transceiver realizes powerful lightning protection
Smart Grid is one of the most important energy conservation and carbon reduction policies in the world. RS485 network wi...[Details]
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1. The pwm driver is also registered as a miscellaneous device. In order to prevent race conditions caused by concurrency, there is a semaphore protection. Module initialization function static int _...[Details]
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In Figure 1, V8 is the oscillation pulse generated by the oscillation circuit, and its duty cycle is 50%. The pulse determines the operating frequency of the switching device. V1 is the voltage drop o...[Details]
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There are two priority concepts in STM32 (Cortex-M3): preemptive priority and response priority. The response priority is also called "sub-priority" or "sub-priority". Each interrupt source needs to ...[Details]
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Simple marquee design. The simulation schematic based on AVR microcontroller is as follows: The microcontroller source program is as follows: /*****************************************************...[Details]
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The
successive approximation
analog
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to-digital converter (SAR ADC) is a common structure used for medium and high resolution with a sampling rate below 5 MHz. Its resol...[Details]
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Vivo will launch the vivo V23e in India at 12 noon on February 21. 91mobiles revealed the information about this model, and the official website of vivo V23e has been launched in India, showcas...[Details]
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The full name of High Definition Multimedia Interface in English is High.Definition.Media.Interface (referred to as HDMI). It is a fully digital audio and video transmission interface. Because HDMI c...[Details]
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A fuzzy controller is a controller based on fuzzy logic. It controls complex systems by expressing both input and output variables as fuzzy quantities and applying fuzzy reasoning. Compared with tr...[Details]
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This design is a scientific calculator based on 51 single-chip microcomputer.
The functions that can be realized include:
(1) Four arithmetic operations (addition, subtraction, multiplication and d...[Details]
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Recently, the independent CPU processor technology code-named "Elbrus" was revealed. This CPU comes from Russia's MSCT company, which is backed by Russia's Lebedev Institute of Precision Mechanics an...[Details]
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Oscilloscope waveforms represent real electronic signals. When evaluating an oscilloscope's performance, you can look at its ability to display a waveform with the same shape as the target signal. As...[Details]
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Let's take a look at the structure of the timer/counter Let's look at the following example again in comparison with the above figure: This example implements the following matching funct...[Details]
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1 Introduction
Zero current switching (ZCS) quasi-resonant converter (QRC) has a variety of DC/DC converter topology types due to its inherent soft switching characteristics and simple circu...[Details]