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1. What is a frequency converter?
The frequency converter is an electric energy control device that uses the on-off function of power semiconductor devices to convert the industrial frequency ...[Details]
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Smart drives and many automotive and ISM manufacturers are facing the challenges of meeting new market demands and evolving standards. In modern industrial and automotive applications, motors must...[Details]
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Digital tube display STC89C54RD+DB18B20 temperature measurement board, information comes from the Internet.
The main components used are single chip microcomputer STC89C54RD+, DB18B20...[Details]
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The button is a very important input device on the microcontroller and is also easy to master. As long as you understand the most basic use of the IO port, you can operate the button. Our goal is t...[Details]
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Designing to mitigate EMC issues Designing for good EMC immunity requires a multi-layered approach that focuses on the factory level (such as grounding and power distribution) and down to the perf...[Details]
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As the third generation of semiconductor lighting sources, LED has the advantages of low operating voltage, low power consumption, high luminous efficiency and long life. Compared with traditional ...[Details]
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USB Introduction
USB (Universal Serial Bus) is a universal serial bus used to connect peripheral devices such as keyboards, mice, printers, scanners, digital cameras, MP3, and USB flash drives to com...[Details]
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August 17, 2021 - Mouser Electronics, an electronic component distributor focused on introducing new products to drive industry innovation, announced that it will work with Omron to hold an online se...[Details]
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;===========================================================
Xport Equ 06000H
XRead Equ 0A000H
;===========================================================
org...[Details]
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This is a program controlled by two C51 chips. The first one is the alarm timer:
Code:
#include at89x51.h
unsigned char a ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned cha...[Details]
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A technique that expands the effective scene brightness of a thermal image while maintaining its thermal contrast. What kind of thermal image is a good image? A good image is one that exhibits high c...[Details]
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This paper mainly solves two problems 1 How to reverse the IO port of STM32? 2 Configuration of the tick timer systick Answer 1: It is easy to reverse the port of the microcontroller. sbit led...[Details]
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1 Introduction As microstepper motors are increasingly used in applications, their drive circuits are also developing rapidly. Various control chips are becoming more and more functional and easie...[Details]
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With
the development of
digital audio
technology, the low-frequency response of many sound sources has reached or exceeded the lower limit of human hearing, 20HZ. In order to fully reprod...[Details]
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1. Experimental purpose: Through this experiment, learn the interrupt processing process of Windows CE6.0 and become familiar with the programming of running interrupts in the driver.
2. M...[Details]
Test/Measurement
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