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At the 8th Annual Conference of China Satellite Navigation and Positioning Services and China Beidou Application Conference, Yang Changfeng, chief designer of the Beidou Satellite Navigation System, ...[Details]
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I would like to say a few things about max232:
1. max232 is a level conversion circuit. The high level of 232 level is -15 volts to -3 volts, and the low level is +3 volts to +15 volts. The ideal val...[Details]
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The range self-switching frequency meter is controlled by AT89C51 single-chip microcomputer, and is mainly composed of five modules: signal amplification and shaping circuit, single-chip microcom...[Details]
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As a bridge between digital and analog systems, D/A converters are not only required to be fast and sensitive, but also to meet system requirements in terms of linearity error, signal-to-noise ratio, ...[Details]
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For the IT industry and the wider business community, 2019 was a year of endless innovation and disruption. In fact, with large enterprise customers widely adopting hybrid multi-cloud architectures, ...[Details]
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/*****************************************
ADC0804,AT89S51
connect:
Digital tube:
P0 data, segment select P2^7, bit select P2^6.
ADC0804:
Data output P1
WR=P3^6
RD=P3^7
INTR is float...[Details]
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As human beings explore renewable energy, photovoltaic power generation has attracted more and more attention. The grid-connected inverter system is an important part of photovoltaic power generati...[Details]
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Referring to the blog post " OK6410 Startup Analysis ", we can know that when S3C6410 starts up from nand flash, the hardware will automatically copy the first 8K of the program in NAND flash ...[Details]
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After smart cars gradually became a sunrise industry, almost every year from 2016 to the present has been dubbed the "first year" in various ways. From "the first year of autonomous driving for Chi...[Details]
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Shadowless lamps are an essential and important device used to illuminate surgical sites. They are required to be able to optimally observe objects of different depths, sizes, and low contrast in the...[Details]
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According to Bloomberg, Intel is planning to raise at least US$2 billion (IT Home Note: currently about 14.42 billion yuan) in equity financing to expand its Fab 34 semiconductor factory in Leixlip, ...[Details]
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There are many kinds of electronic measuring instruments, including multimeters, oscilloscopes, power meters, power quality analyzers, power analyzers, etc. We often find that the same signal is test...[Details]
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0 Introduction
China is the world's largest grain producer, storage and consumer. Grain storage is an effective measure taken by the country to prevent war, famine and other emergencies. Theref...[Details]
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Effect diagram:
Circuit diagram:
#include
#include //Header file containing _nop_() function definition
#define uchar unsigned char
#define uint unsigned int
sbit RS=P2^5; //Register selection b...[Details]
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On October 14, the Yunnan Provincial Development and Reform Commission and the Yunnan Provincial Energy Bureau issued the "Yunnan Province 2024 Second Batch of New Energy Project Development and Const...[Details]