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Host: ubuntu16.04 64bit Target board: mini2440 Cross-compilation tools: 4.4.3 1. Download the required source code: mkdir -p ~/arm/fs ;mkdir -p ~/arm/source Download zlib-1.2.3: wget -c http://ww...[Details]
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1. Schematic diagram of connection between STC89C52 and MAX232
2. Principle of cross-port communication
1. Basic communication method
a. Parallel communication
Definition: To transmit each bi...[Details]
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Specific implementation functions The system consists of STC89C51 microcontroller + LCD 1602 display + DS18B20 temperature sensor + relay + alarm module. Specific functions: 1. Use DS18B20 temper...[Details]
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Smart lithium battery charger for micro printers - a lithium battery smart charger with master-slave battery identification and priority charging function designed to meet the needs of portable m...[Details]
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0 Introduction
In today's society, people pay more attention to energy conservation and environmental protection. Great changes have also taken place in the field of lighting, especia...[Details]
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Hexagon recently announced that it has signed an agreement to acquire Volume Graphics, a market leader in the industrial CT software industry. The addition of Volume Graphics will further expand Hexa...[Details]
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Autonomous driving is one of the hottest concepts in the technology circle. In the past decade, it has continued to exude infinite charm, attracting the world's best companies to join in. Giants such...[Details]
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uchar code KEY_TABLE = { 0x77,0xB7,0xD7,0xE7 0x7B,0xBB,0xDB,0xEB 0x7D,0xBD,0xDD,0xED 0x7E,0xBE,0xDE,0xEE }; //The upper four bits are the columns, the lower four bits are the rows ucha...[Details]
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OnePlus' official Weibo account just released a poster, saying that the OnePlus Sheep Protection Association has been established and that beating sheep is prohibited. The official also asked us...[Details]
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Abstract： This paper introduces the switching power supply design methods of printed circuit board, from PCB base material, placement, routing and pad. It can be play some roles in EMC design.
...[Details]
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On November 9, Unisoc held its 2020 Autumn Conference with the theme of "Elephants Born from Chips" online. At the conference, Unisoc officially released its 5G RF front-end solution, and launched ne...[Details]
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Tesla has entered the trillion-dollar market value club, becoming the sixth company in the history of the U.S. stock market to have a market value of over one trillion dollars. But there are still hi...[Details]
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On February 13, NavInfo announced that it had signed a license agreement with the BMW Group to provide ADAS (Advanced Driving Assistance System) maps, HD (High Precision) maps and LBS for the latter'...[Details]
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Hey, what is this? It looks like frozen cigarettes. This is not smoke, but a solid, to be precise, the lightest solid in the world - aerogel. What is aerogel? First, let's get to know "gel". ...[Details]
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Definition:
An industrial controller is a device used to control and monitor industrial processes. It can be any type of computer or microcontroller designed to perform specific tasks su...[Details]
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