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Artificial vision systems are used in a wide range of applications, including self-driving cars, object detection, crop monitoring, and smart cameras. This vision is often inspired by the vision of b...[Details]
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The frequency converter is an electric power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's w...[Details]
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Electric motors are by far the world’s largest consumers of electricity, and by a very large margin. The Energy Research Centre of the Netherlands (ECN) estimates that 45% of global electricity gener...[Details]
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Traditional product-level signal sources can only generate a single signal, which cannot meet the needs of scientific research and actual testing. Especially in complex aerospace environment experi...[Details]
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Vishay Intertechnology Launches Thick Film Power Resistors with Optional NTC Thermistors and PC-TIMs to Simplify Design, Save Board Space and Reduce Costs
AEC-Q200 qualified device i...[Details]
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In the computer industry, lithium-ion
batteries
are both loved and feared. The accidents that occurred in the early days of lithium-ion
battery
applications are still fresh in the m...[Details]
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My roommate always forgets to bring his keys, so I made a simple fingerprint lock. Six people in the dormitory use it. This is the first time I upload it. It's quite crude. I wrote a very detailed co...[Details]
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Recently, the Wenzhou Huanfa Ecological Center All-vanadium Liquid Flow Energy Storage Power Station under Baowu Environmental Science and Technology Urban Mining Division has passed the strict acc...[Details]
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Airbag controller solutions The company has launched airbag controller solutions, including the MCU CCFC2012BC, which has been adapted to 2 million airbags installed in vehicles, and the airbag ig...[Details]
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The battery is the main power source of electric vehicles. To ensure the normal and safe driving of electric vehicles, the battery management system must monitor the voltage data of electric vehic...[Details]
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Today, power users are faced with countless choices , the numerous performances of power products and the long product specifications of power suppliers make purchasing power a headache. Fortunatel...[Details]
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MCU clock has always been one of the required courses for MCU enthusiasts. From all kinds of screens, LCD, digital tube, dot matrix screen, VFD, OLED and even Nixie tube, edge light display, there ...[Details]
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When using a DC resistance tester to perform a DC resistance test on site, there are many factors that affect the test results, such as poor contact of the tap changer, temperature during the test,...[Details]
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1.2.4 Spectrum Estimation Method
The frequency estimation of traditional ultrasonic Doppler signals often uses classic spectral estimation algorithms such as zero-crossing counting method and fas...[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]