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Chip crystal oscillator 11.0592
#include reg51.h
#define uchar unsigned char
#define uint unsigned int
#define dataport P0 //data port
sbit CS1=P2^4; //left display pin...[Details]
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The efficiency of white LEDs
is increasing at a rapid rate. In 2004, engineers were proud to report that
the power
at 350 mA
was almost 60 lm/W, but today the research record is o...[Details]
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1. Working principle of grating ruler displacement measurement The grating is composed of a light source, a lens, a scale grating (main grating), an indicator grating (sub-grating) and a photoelectri...[Details]
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I used the AT89C2051 microcontroller and DS18B20 to write a 3-digit electronic thermometer with a display range of 0-125 degrees. It was not easy. After learning for nearly a month, I finally learned ...[Details]
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Analog signals are physical quantities that are continuous in both time and value, with infinite values, and their mathematical expressions are necessarily complex, such as sine functions and expon...[Details]
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Abstract To solve the defect of single color display of ordinary LED rotating screen, a 4 096-color LED rotating screen was designed by using single-chip microcomputer and three-color LED according...[Details]
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Use timer4 to make a 1K timer interrupt. timer.c void timer4_init() { TIM4_IER = 0x00; //Disable interrupt TIM4_EGR = 0x01; //Allow update events to be generated TIM4_PSCR = 0x06; //C...[Details]
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0 Introduction
Lanzhou's large-scale integrated engineering heavy ion accelerator-cooled storage ring (HIFRL-CSR) is one of the national key scientific projects. There are a large number of...[Details]
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Vishay's new ultra-low-power commercial IHDM edge-wound plug-in inductors offer excellent inductance and saturation current stability
The plug-in device adopts iron powder alloy ...[Details]
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Guangzhou is an important automobile manufacturing center in South China, with a complete automobile industry chain. As one of the leading cities in the domestic automobile industry, Guangzhou has ...[Details]
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The engine electronic control system, also known as the engine management system (EMS), is a system that uses electronic technology to monitor and control the engine operation in real time. It coll...[Details]
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I accidentally discovered this problem while using ADC today and would like to share it with all my friends. I2CDelay of 89: #define I2CDelay() {_nop_();_nop_();_nop_();_nop_();} I2CDelay of 12...[Details]
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Abstract: This article describes the design and implementation of PC-based laser engraving machine motion trajectory interpolation control software and its peripheral interface characteristics. ...[Details]
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Samsung will launch a new version of the Galaxy Z Flip with 5G support on August 5, when the Galaxy Note20 is also expected to be released. The new version of the Galaxy Z Flip will use the Sna...[Details]
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Jinyu New Energy is a high-tech enterprise that develops and produces new batteries with high energy density and intrinsic safety. It has completely independent intellectual property rights for...[Details]