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How to control the speed of stepper motor
The rotation speed of the stepper motor can be achieved by controlling the frequency of the pulse signal and the motor driving method.
Puls...[Details]
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Allwinner Technology announced that the company held the 19th meeting of the third board of directors on September 26, 2019, reviewed and approved the "Proposal on the Transfer of Part of the Equity ...[Details]
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Display the output.
The display is connected to the system through a display adapter card, which is the interface between the display and the microcomputer system.
Since the microcomputer ...[Details]
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Abstract: This paper introduces the current use of uninterruptible power supplies in communication information networks. Aiming at the defects existing in the use of traditional uninterruptible pow...[Details]
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Function: Determine the state of a key;
return value: 0x00-no key pressed, 0x01-short key pressed, 0x02-long key pressed; (This...[Details]
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1. Experimental Task: Use the T0 and T1 timing counter functions of the AT89S51 single-chip microcomputer to count the frequency of the input signal. The counted frequency result is displayed throu...[Details]
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ARM instruction set-coprocessor instruction details
ARM can support up to 16 coprocessors, whose main functions are: ARM processor initialization, data processing operations between ARM a...[Details]
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LED
flashlight is a new type of flashlight that uses LED (light emitting diode) as the light source. Because LED has the characteristics of high
brightness
, low power consumpt...[Details]
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There are two types of reed switch relays: one is a reed switch relay with an energized coil, and the other is a reed switch relay with an external permanent magnet. Their detection methods are as fo...[Details]
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After Cook "stole" the M1 chip from the MacBook and installed it on the iPad Pro, many friends around me told me seriously: This is just Apple's appetizer, and the real main course is the specia...[Details]
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Gartner recently proposed the top ten strategic technology trends that companies must understand in 2020. They are hyper-automation, multi-experience, universa...[Details]
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In order to design a high-performance switching power supply, it is necessary to select power semiconductor devices with better performance, improve the circuit topology, select and improve the contro...[Details]
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Recently, Fenda Technology released its 2020 semi-annual performance forecast, with net profit attributable to shareholders of listed companies ranging from RMB 750.496 million to RMB 825.5456 millio...[Details]
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Photodiodes and their associated preamplifiers are the bridge between fundamental physical quantities and electronic quantities. Many precision applications require the detection of light intensi...[Details]
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1. Battery Management System Overview
At present, pure electric vehicles all use lithium-ion batteries, and lithium-ion batteries also have some "little tempers" of their own. In order to enab...[Details]
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