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/*
Buzzers are divided into active and passive types. Active ones have an oscillation source.
ULN2003 Darlington tube input and output reverse amplifier
*/
#include "reg52.h"
typedef unsigned int...[Details]
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First try it with a correct program to make sure there is no problem with the software itself. Then check the baud rate and VPB clock frequency to see if they match, because garbled characters will...[Details]
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Mitsubishi servo drive may stop working due to improper operation or equipment failure. At this time, the cause of the failure should be confirmed according to the Mitsubishi servo drive alarm code...[Details]
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The measurement system converts the measured signal into an electrical signal through a sensor, thereby measuring the measured value. The temperature measurement system converts the temperature signa...[Details]
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Recently, at the Xiaomi Developer Conference, Xiaomi Chairman and CEO Lei Jun said that Xiaomi's goal is to rank first in Europe in the next few years. According to research agency data, Xiaomi retur...[Details]
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Recently, Wuhan Fein Microelectronics Co., Ltd. (hereinafter referred to as "Fein") completed a strategic financing of over 100 million yuan. This round of financing was led by Hongtai Hailian, follo...[Details]
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Source: CTIA report "A National Spectrum Strategy to Lead in 5G》 China's lead in the 5G race is obvious to all. According to the latest news, at least 16 provinces, autonomous regions and mun...[Details]
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1. Introduction
my country is a major coal-burning country, and SO2 emitted from coal burning has become the main pollutant affecting the air quality in Chinese cities. Therefore, boiler f...[Details]
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Apple's iPhone design next year has attracted much attention. Analysts predict that the proportion of VCSEL components on the front and back of the new high-end iPhone next year will increase. All th...[Details]
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The latest research report released by the Strategy Analytics Smart Speaker and Screen (SSS) research team, "Smart Speaker Vendor & OS Shipment and Usage Market Share by Region", pointed out that glo...[Details]
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Personal summary:
Programs should be written in a standardized manner, especially some modular functions reserved for your own use, which should be written as clearly and easily understandable as pos...[Details]
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According to the U.S. Energy Information Administration (EIA), the United States is expected to deploy 10GW of battery energy storage systems in the next two years, of which more than...[Details]
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On November 10, security company Trend Micro recently discovered that the CMU (Connect Connectivity Master Unit) system of many models of Japanese automaker Mazda has multiple high-risk vulnerabili...[Details]
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To all county (city) and district development and reform (price) bureaus:
In accordance with the spirit of the Provincial Price Bureau's "Notice on Adjusting the Electric Vehicle Charging Serv...[Details]
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I have made an example. In the past, I used AVR to generate PWM directly by hardware. It was convenient and fast, with only a few statements and strong driving ability. I never thought about how to ma...[Details]