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I recently found an article about batteries, so I picked it up and shared it with my friends. Although the article mainly talks about mobile phone batteries, most digital cameras now use lithium-io...[Details]
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On the morning of July 20, Hefei Guoxuan High-tech Power Energy Co., Ltd. (Hefei Guoxuan), a wholly-owned subsidiary of Guoxuan High-tech, and the Management Committee of Hefei Xinzhan High-tech In...[Details]
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For amateur radio enthusiasts, the most common use of signal generators is to measure the sensitivity of radio stations and walkie-talkies. Many HAMs believe that using a comprehensive tester to a...[Details]
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NIO announced the upgrade of its NIO Pilot automatic assisted driving system, adding seven new functions. Also pushed was the NIO OS 2.0 intelligent operating system, which has been upgraded to a new...[Details]
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Cx51 process control has three basic structures: sequence structure, selection structure and loop structure. 1. Sequential structure The sequential structure is the most basic and simple programmin...[Details]
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Hardware equipment: Network card: dm9000 NandFlash: K9F1208U0C 64M 1. Download and decompress the kernel, modify the compiler options of the top-level Makefile: ARCH ?= arm CROSS_COMPILE ?= arm-soft...[Details]
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The industry-standard eNodeB tester demonstrates real-time handover between LTE and Wi-Fi over multiple UEs and realistic data traffic combinations.
Stevenage, UK and Mobile World Congress,...[Details]
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summary:
The charger is designed with the complementary output voltage-controlled pulse width circuit KW9712 as the core and adopts the half-bridge switching power supply solution.
...[Details]
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USB
charger
kit, also known as MP3MP4
charger
, input AC160-240V, 50/60Hz, rated output: DC 5V 250mA (label sticker is 500mA, if you want to output a larger current for a long time,...[Details]
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The filter type can be selected according to the design bandwidth and other indicators of the filter and the specific application occasions. The relative bandwidth below 20% is a narrowband filter, a...[Details]
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1. Selection of bandwidth in power supply measurement
There are four related terms for oscilloscope bandwidth: analog bandwidth, digital bandwidth, system bandwidth and trigger bandwidth. Digital ban...[Details]
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NVIC concept: provides an interrupt controller for overall management of exceptions, called "embedded vectored interrupt controller". In simple terms, it is a module that provides and handles interna...[Details]
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button A button is a two-state switch equipped with an elastic device: connected and disconnected. Due to the elastic component, the button is disconnected most of the time. From a circuit perspectiv...[Details]
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In the actual production application process, the magnetic flap level gauge is generally equipped with a drain valve at its bottom to facilitate daily troubleshooting and cleaning to drain the liqu...[Details]
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A team from the Massachusetts Institute of Technology in the United States has successfully developed a new nanoscale 3D transistor using ultra-thin semiconductor materials. This is the smallest 3D...[Details]