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As more and more mobile phone manufacturers remove the headphone jack, the trend of wireless headphones has also begun to surge. When it comes to wireless headphones, people always think of AirPods f...[Details]
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On October 24, 2024, at the GEEKCON conference, a security team demonstrated how to crack
the protection system of
a
smart car
through a live demonstration, unlocking and starting the vehicl...[Details]
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one
background
Semantic segmentation is a basic task in computer vision. Compared with the classification task of a single image, semantic segmentation is equivalent to a classification t...[Details]
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Recently, the revelations of private equity big V Ye Fei have spread in the secondary market. On the 15th, according to Ye Fei’s latest revelations on Weibo, in addition to Zhongyuan Home Furnishing,...[Details]
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This round of learning process mainly focuses on the learning of ARM NEON technology, mainly including the learning of instructions and the summary of programming skills. ARM NEON technology is an ...[Details]
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Small Size, High Precision Current Sense Amplifier
Maxim introduces the MAX9634, the latest member of its industry-leading high-side current-sense amplifier (CSA) family. Designed for space-cons...[Details]
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The data after A/D conversion of PIC microcontroller usually needs to occupy two 8-bit wide RAM units, but the storage units of PIC microcontroller are limited, so the storage units of the microcontr...[Details]
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Just now (February 2), Apple confirmed a new feature in the beta version of the iPhone operating system iOS14.5, which allows users wearing masks to unlock their iPhone faster using the Apple Watch s...[Details]
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Recently, vacuum solutions provider Pfeiffer Vacuum held a grand opening ceremony for its new factory in Wuxi. On the occasion of the groundbreaking ceremony, EEWORLD interviewed Mr. Zheng Hong, Gene...[Details]
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1 Function:
(1) Static display: display a smiling face;
(2) Dynamic display: a, moving display of “HELLO!”, b, display of the change of smiling face and crying face;
2 Principle
...[Details]
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The vacuum tightness test of the #3 steam turbine unit in Hefei Power Plant has always failed, and sometimes even failed. This article discusses the cause analysis and solution of this problem, whi...[Details]
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When the Pico oscilloscope tests a signal with an output impedance of 50Ω, a 50Ω to 1MΩ through terminal is required. Recently, during a field test at a customer's location, we found that the w...[Details]
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The anti-interference problem of PLC and human-machine interface in field application is complex and meticulous. Anti-interference design is a very complex systematic project, involving specific inpu...[Details]
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引言
随着大功率LED的问世,因其发光效率是一般荧光灯或白炽灯的5~7倍,节能效果十分显著。因而,大功率LED具有广泛的应用前景。目前,单个大功率LED已有1W、3W、5W和10W,已被大量使用的是1W和3W的大功率LED,采用多个大功率LED串联和并联,其组合输出功率已达70W~100W。
大功率LED虽具有发光效率高和节能的优点,但其管压降的不一致却是需要克服的缺点。其次,大功...[Details]
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The cooling method of the motor is usually selected according to its power, operating environment and design requirements. The following are the five most common motor cooling methods:
1. Nat...[Details]