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Electronic engineers who have used a large number of chip tantalum capacitors may have encountered this phenomenon: the chip tantalum capacitors used have qualified performance during testing and scre...[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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On June 17, blogger @数码闲聊站 revealed that Redmi will have two mid-to-high-end models, one with a hole-punch screen and the other with a liftable full-screen. The new Xiaomi phone with model n...[Details]
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A few definitions:
1. Magnetic field intensity H, unit: A/m (From the dimension, we can know that this physical quantity is born and dies together with the electric current. It can be unders...[Details]
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According to news on December 30, realme will release its annual flagship realme GT2 series on January 4, 2022. This conference will launch two models, realme GT2 and realme GT2 Pro. Among th...[Details]
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1. Circuit working principle
The circuit of a simple small capacitor tester is shown in the figure below. It uses the light-emitting diode to determine whether the small capacitor is good or b...[Details]
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6538 is a video image processor chip dedicated to Nintendo game consoles. It has extremely strong image processing capabilities. If 6538 is used in 8031 single-chip microcomputer system and its s...[Details]
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The automotive industry is facing a global chip crisis. According to German newspaper Auto Weekly, Volkswagen is considering asking for damages from its suppliers Bosch and Continental due to a sho...[Details]
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Traditional off-line switch-mode power converters produce non-sinusoidal input currents with high harmonic content. This can stress power lines, circuit breakers, and power utilities. In addi...[Details]
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For iPhone users who want to jailbreak, Unc0ver now offers the v6.1.1 stable version. Prior to this, Unc0ver jailbreak had released a version that is valid for iOS 14 to iOS 14.3 and compatib...[Details]
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In recent years, engineers designing mobile phones and other battery-powered devices have often needed to make more sensitive current measurements to ensure that the device's current consumption is w...[Details]
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In July 2021, Samsung released the Samsung Galaxy F22 phone. Now, the upcoming Samsung Galaxy SM-E236B has been spotted on the Geekbench benchmark database, which should be the upcoming Galaxy ...[Details]
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On the morning of November 5, 2024, Dalian Rongke Energy Storage Group Co., Ltd. held a donation ceremony for the Rongke Energy Storage Education Fund and Yanhui Scholarship at the Sixth Junior High S...[Details]
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General method of current detection
Common methods of current detection are direct resistance sampling, Hall element (LEM) sampling, and current transformer sampling.
Sampling wi...[Details]
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The electronic patrol system is a subsystem of the security system in the intelligent building. When the security guard patrols, he needs to patrol at each patrol point in turn according to the speci...[Details]
MicroPython Open Source section
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