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51 MCU matrix keyboard response program #include reg51.h // P0 port is connected to LED // P0 port is connected to digital tube // P3 port is connected to matrix keyboard #define LED P0 #define KEY...[Details]
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Cree, Inc. officially changes its name to Wolfspeed, Inc., marking its transformation into a global semiconductor powerhouse The company will be listed on the New York Stock Exchange (NYSE) with th...[Details]
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When Amazon released its first Echo smart speaker in 2014, the product quickly occupied more than 3 million home ports with its unique voice interaction technology. By 2021, smart speakers have be...[Details]
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In a low intermediate frequency RF receiver, as shown in Figure 1, the RF signal is down-mixed to generate two orthogonal low intermediate frequency signals, I and Q, which are then directly conver...[Details]
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The MAX13256 is an integrated primary-side controller for isolated power circuits. The device features dual push-pull drivers, ST1 and ST2, to drive an external transformer. This driver scheme can cau...[Details]
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I was going to write the tick timer next, but I struck while the iron was hot and wrote the port from SPI2 to SPI1. Why should the migration from SPI2 to SPI1 be written in the nRF24L01 modul...[Details]
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Tesla has had frequent brake problems recently, and the controversy was pushed to a climax by a rights-defending woman on the media day of the Shanghai Auto Show. This made me wonder: Is Tesla still ...[Details]
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Because traditional switching power supplies have problems such as harmonic pollution to the power grid and low working efficiency, various switching power supply research institutions at home and abr...[Details]
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Integrated power switches are increasingly being used in battery-powered systems to disconnect all unused subsystems. These applications include RF power amplifiers, wireless LAN (WLAN) or Bluetooth®...[Details]
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According to foreign media reports, FLIR System is working with ANSYS to provide excellent hazard detection capabilities for assisted driving and autonomous driving cars, helping automakers improve v...[Details]
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In 2011, there were many technical bottlenecks in high-brightness LEDs! The emergence of high-brightness LEDs (HB LEDs) has set off a frenzy in the lighting industry. Compared with traditional inca...[Details]
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When learning Arm, it is helpful to understand the memory address allocation method for understanding various problems. SmartArm2400 uses the LPC2478 Arm chip. So by consulting the datasheet of the L...[Details]
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The multivibrator is a self-excited oscillation circuit. Because it has no stable working state, the multivibrator is also called an astable circuit. Specifically, if the multivibrator is in the 0 st...[Details]
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The THS3000 series handheld oscilloscope is lightweight, has 4 isolated channels, and the battery can work continuously for up to 7 hours. It can make floating measurements or differential measuremen...[Details]
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Recently, "Experts Talk about Three and a Half Generations" has discovered three new silicon carbide cooperation cases in the industry:
Geely Auto & Jingneng:
...[Details]