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Capacitor ceramics with high dielectric constant (barium titanate-titanium oxide) are extruded into round tubes, discs or disks as dielectrics, and silver is plated on the ceramics as electrodes by...[Details]
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1. In actual applications, although the RA0 input is always high, the I/O port detection is always low. Found a solution to the problem online Link: http://bbs.21ic.com/icview-85731-1-1.html ...[Details]
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This paper introduces an embedded system simulation method, which connects the software debugger software Keil uVision2 and the hardware language simulator software Modelsim through a specially desig...[Details]
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There are three trigger modes in the oscilloscope: auto, signal, and normal. The "triggering" of the oscilloscope is to synchronize the scanning of the oscilloscope with the observed signal, so as to...[Details]
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Vector control is to control the magnitude and phase of the motor stator current through the vector coordinate circuit, so as to control the excitation current and torque current of the motor in th...[Details]
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According to foreign media reports, road intelligence technology company CARMERA has launched Inventory Map as the latest component of its Change as a Service (CaaS) dynamic map product. Built for co...[Details]
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1. Software This should be the biggest difference. The operating system was introduced. Why was the operating system introduced? What are the benefits? 1) Convenience. This is mainly reflected in...[Details]
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To make an adjustable DC regulated power supply, first let's understand the basic working principle of the adjustable DC regulated power supply. The working process of the DC regulated power supply...[Details]
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Ideal filters do not exist. In the amplitude-frequency characteristic diagram of actual filters, there should be no strict boundary between the passband and the stopband. There is a transition band be...[Details]
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Structure of a reluctance motor
Reluctance motor is a brushless DC motor, which is widely used in the field of low-power motors due to its simple structure, high reliability, high power densit...[Details]
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Use the STC microcontroller's timer to accurately time tasks such as 1 second, 1 minute, and 1 hour.
Since I use a 11.0592M crystal, the timing is not very accurate. If you have precise timing requir...[Details]
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Try to write programs for delays of 20ms and 1s respectively. Assume fosc=6MHz. Reference answer: yh equ 20h yl equ 21h x eq 22h start: mov ...[Details]
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On June 25-26, the 2021 5th Jiwei Semiconductor Summit was held in Haicang, Xiamen. Jimmy Goodrich, vice president of the Semiconductor Industry Association (SIA), delivered a speech on the theme of ...[Details]
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On November 4, during the China Golden Rooster and Hundred Flowers Film Festival, BOE (BOE) and Shanghai Film Group (hereinafter referred to as Shanghai Film Group) held a strategic cooperation signi...[Details]
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Instruments used in industry , after a certain period of use, will meet product aging, aging tests and environmental tests, which can detect a potential failure of the instrument early, prepare s...[Details]