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In the technical parameters of the inverter, there is a maximum allowable access power. Most manufacturers mark it as 1.1 to 1.2 times the rated power, but some manufacturers mark it as 1.4 times t...[Details]
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South Korean President Moon Jae-in will visit the United States on the 21st of this month to attend the South Korea-US summit. Some experts predict that the supply chain of four core areas such as se...[Details]
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Qorvo® , Inc. (Nasdaq: QRVO), a leading provider of innovative RF solutions that connect the world, today introduced the first Band 47/Wi-Fi bulk acoustic wave (BAW) coexistence filter and V2X front...[Details]
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After Debian 5.0 Lenny Release, a new term "armel" appeared. It can be seen in many ARM toolchain packages. As the name suggests, armel is for ARM Architecture. However, the biggest difference ...[Details]
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According to foreign media engadget, Google may release two terminal mobile phones on May 7, named Pixel 3a and Pixel 3a XL. Today, the whistleblower Evan Blass (@evleaks) revealed the appearance of ...[Details]
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Various switching appliances are used in aviation, aerospace, transportation and general industrial or civil fields, such as micro switches, push button switches, transfer switches, power switches, e...[Details]
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I recently came across the STM32L0 series MCU, which is also powered by dry batteries to give full play to its ultra-low power consumption. I want to obtain the current power of the dry battery pack....[Details]
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The difference between a voltage probe and a current probe is that one has a voltmeter inside, and the other has an ammeter inside. In fact, the meters inside are both ammeters, but the voltmeter has...[Details]
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Advantages and problems of ultrasonic gas flowmeter Ultrasonic gas flowmeter is a commonly used gas flow measurement instrument with the characteristics of accurate measurement, stable performance, ...[Details]
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With the great changes in the automobile market, new energy vehicles are gradually replacing traditional fuel vehicles. Most new energy vehicles are inseparable from battery modules, and at the same ...[Details]
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The existing reset logic in the standard 80C51 chip is relatively simple, and can only be expanded externally through a reset pin RST. The technical manual provides the wiring method of the power-o...[Details]
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Multimeters and oscilloscopes are both commonly used tools. Multimeters and oscilloscopes are very familiar to electronic engineers. They can be said to be indispensable tools for research and deve...[Details]
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pc:Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]
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Introduction: There are many low-power chips now, especially after entering the power-down mode, the current is only 1uA. You can also use the power management method to turn off the system power whe...[Details]
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In mid-November, State Grid Hunan Electric Power Co., Ltd. was invited to attend the 3rd IEEE International Conference on Energy Internet and Energy System Integration and delivered a keynote speec...[Details]