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Basic geographic information is being highly valued as a national resource. Many countries and governments have realized that geospatial data is an important national information resource and must be ...[Details]
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The source program of the sending microcontroller is as follows: #include "ir_send.h" /*------------Initialize IO------------*/ void ir_init(void) { P2M0 = 0x80; //P2.7 strong push-pull ...[Details]
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Embedded devices with ARM as the core are products with computers as the core, and they must have memory to store software. The software in the single-chip microcomputer is stored in the ROM memory in...[Details]
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This circuit is a digital trigger whose output will change to the assembly using voice control. Therefore, the input used is a condenser microphone as it is known to have high sensitivity.
...[Details]
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BlackBerry has announced a deepening partnership with Jaguar Land Rover to help the automaker produce the next generation of vehicles. The two companies have expanded the scope of their collaborati...[Details]
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1. 2440 address space
First, find the PCB schematic and look at the width of the memory address lines and data lines led out by the CPU.
This means that the actual memory address is...[Details]
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For users of complex portable devices powered by rechargeable batteries, such as digital cameras, PDAs, and cell phones, longer battery life is of particular concern.
Since PDAs are small in s...[Details]
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Documents involved
/etc/init.d/rcS: The script file that will be started after booting up, which will set global variables, mount files, create directories, and start some scripts and processe...[Details]
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The lighting equipment at civil airports are all visual aids. Although many aircraft are equipped with various advanced radio aids and instrument landing systems, these lights are still indispensable...[Details]
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The lighting of LED lights, digital tubes, and buttons introduced earlier only use the IO resources of the 51 microcontroller. If we only use the microcontroller to light up lights and operate digita...[Details]
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中国传感器的市场近几年一直持续增长，增长速度超过15%。2012年中国传感器应用四大领域为工业及汽车电子产品、通信电子产品、消费电子产品专用设备，其中工业和汽车电子产品占市场份额的42%左右，市场规模达到160亿元，传感器整个市场突破500亿元。2012年中国传感器行业发展总体规模逐渐扩大，显著应用于汽车工业中包括汽车轮胎中的传感器应用、安全气囊中的传感器应用、底盘系统中的传感器应用、发动机运行...[Details]
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Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited filter
#define A 10
char value;
char filter()...[Details]
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A building in the Foxconn Park in Shenzhen caught fire. The building on fire was Building C11. From the exposed videos and photos, the scene was full of flames, black smoke, and explosions from time ...[Details]
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On August 31, the reporter learned from Jiangxi LDK Solar Co., Ltd. that three projects undertaken by the company, including the 100cm×100cm multicrystalline silicon ingot production process and equip...[Details]
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With the continuous innovation of China's power electronics technology and the widespread application of photovoltaic power generation technology, the study of the power supply part inside the photovo...[Details]
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