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basic introduction What is infrared? The visible light that human eyes can see is arranged from long to short in wavelength, namely red, orange, yellow, green, cyan, blue and purple. The wavelength r...[Details]
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1. What is noise? It is the sound that people do not need. It includes all kinds of chaotic and inharmonious sounds that affect people's work, rest and sleep. Even conversations, footsteps and unne...[Details]
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According to MiningWeekly, citing Bloomberg News, California, which is using power batteries to boost the electric vehicle craze, is launching another similar public utility revolution, which may c...[Details]
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Liande Equipment responded to investors' questions on the stock forum interactive platform of the stock allocation network today, saying that the company has completed the development of double-sided...[Details]
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Luminous Intensity (IV)
Light intensity is defined as the luminous flux emitted per unit solid angle, with the unit being candela (cd). Generally speaking, a light source will emit its luminous ...[Details]
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(1) Create the database file test.db
#cd /home/www
#sqlite3 test.db
SQLite version 3.7.7.1 2011-06-28 17:39:05
Enter ".help" for instructions
Enter SQL statements terminated wit...[Details]
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According to foreign media reports, General Motors (GM) has submitted a new patent application to the US Patent and Trademark Office (USPTO): Airborne Coronavirus Detection and Alert System. The pate...[Details]
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Car Camera Bus (C2B)— Cost-Efficient Camera Connectivity
Car Camera Bus (C2B)—Cost-effective camera connectivity
summary
Technology is transforming th...[Details]
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In order to quickly grasp the basic structure of the PIC microcontroller source program, a typical program structure framework is given here. When creating a source program, first use the pseudo-...[Details]
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GPIO The stm32f407VG microcontroller has a total of 5×16 PA-PE and a total of 80 multiplexed IO ports. Each general I/O port has four 32-bit configuration registers (GPIOx_MODERGPIOx_OTYPERGPIOx_OS...[Details]
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principle: 16 keyboards can be controlled through eight pins. The upper four bits control the rows and the lower four bits control the columns. Code: #include reg51.h #define SMG P0 //Macr...[Details]
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According to foreign media reports, Nissan engineers are developing more than just cars. At the 2019 Consumer Electronics Show, Nissan unveiled I2V technology called "invisible-to-visible", which can...[Details]
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Renesas Electronics recently announced that it has completed the acquisition of 4D imaging radar design company Steradian Semiconductors Private Limited (“Steradian”). Renesas plans to use Steradian’...[Details]
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The price of automotive electronic products is generally high. One of the main reasons is that they use automotive-grade electronic components. But what kind of electronic components are automotive...[Details]
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Infineon Technologies Launches SECORA™ Pay Green, World’s First Contactless Payment Card Technology, Reducing Plastic Waste by Up to 100%
SECORA™ Pay Green lays the foundation f...[Details]
Programming Basics
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