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This article will show you two different ways to measure the conversion efficiency of a switching power supply. The first method uses a wattmeter and two multimeters; the second method shows how to m...[Details]
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The oscilloscope is a widely used and relatively complex instrument. This chapter introduces the principles and usage of the oscilloscope from the perspective of usage. 01Oscilloscope Working Princi...[Details]
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At present, the DES algorithm is increasingly used in confidential communications in the financial and non-financial sectors. DES (Data Encryption Standard) is a data encryption algorithm that was suc...[Details]
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There are two types of monitoring systems, C/S mode and B/S mode. The C/S mode requires the installation of the client on the PC and the server on the embedded system, which not only increases the dev...[Details]
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one. Environment and compiler Development board: jz2440 System: ubuntu12.04 Compiler: gcc two. Verification code 1.head.S 1 @*********************************************...[Details]
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Today, there are latest news and signs that Apple may add mouse or trackpad function to iOS 13 operating system, which will greatly enhance the productivity of iPad series and directly compete with l...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Jiwei.com reported that four years ago, Shenzhen Hehong Industrial Co., Ltd. (hereinafter referred to as "Hehong Shares") had its IPO application rejected because its employees resold Apple data cabl...[Details]
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High-power LEDs have higher luminous efficiency and service life than fluorescent lamps. People should install a heat sink according to the actual usage. At present, the retail price of domestic 3W wh...[Details]
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A stepper motor is a motor that can accurately control the rotation angle and speed in synchronization with a pulse signal. It is also called a "pulse motor". Since stepper motors can achieve accur...[Details]
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Recently, the results of the "PVTOP 100" 2015 China Photovoltaic Industry Top 100 Innovative Enterprises List" selection activity were officially announced, and Xiamen Kehua Hengsheng Co., Ltd. was...[Details]
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Luminar is a leader in autonomous driving , attracting attention at CES 2024 with its cutting-edge sensor technology and strategic partnerships. Here are its main highlights: Iris+ sensor: clearly ...[Details]
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Jiwei.com reported on June 15 that according to the latest report from Bloomberg, the Apple Watch Series 7 to be launched in the second half of this year may use a thinner screen. It will use a new l...[Details]
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With the advent of electric vehicles and automotive electronics, market research agency TrendForce is optimistic that the penetration rate of advanced driver assistance systems ( ADAS ) will increase...[Details]
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The forward and reverse wiring of a three-phase inverter is a highly technical job, involving many aspects such as electrical principles, wiring methods and safe operation. This article will introd...[Details]