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Thanks to its rich music library and simple user interface, Spotify has become one of the most popular music streaming services in the world. However, with the rapid expansion of its user base, s...[Details]
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In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the relay, then drives the contactor. PIC is used for display. I found that PIC actually has a little interf...[Details]
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Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
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Cables and connectors are the easiest and most difficult to test, and usually at the same time; an interconnect component that handles RF, especially tens of GHz signals, is very tricky to test... Wh...[Details]
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The mains over-voltage and under-voltage protector circuit consists of a voltage detection circuit and a control circuit, as shown in the figure:
The voltage detection circuit is composed ...[Details]
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【Usage Environment】 1. Ambient temperature: 15~30℃ 2.Relative humidity: less than 80%RH 3. Power supply: 220V±5% 50Hz 4. This instrument requires grounding protection 5. The instrument should be plac...[Details]
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1. CDEV Structure
/*
* Kernel source code location
*linux2.6.38/include/linux/cdev.h
*/
struct cdev {
...[Details]
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Editor's Note: Scenarios are the creative application of new technologies such as big data and artificial intelligence in the real world, which can generate cutting-edge, technological and revolutiona...[Details]
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1. Introduction to OV7670 Features of OV7670: Timing of OV7670: 2. Hardware Connection 3. Source code explanation and routine testing Reading the sensor ID is optional. It...[Details]
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In various common technical materials, some technical specifications state that "unused pins are not allowed to be left floating and must be connected to pull-up or pull-down resistors to provide a ce...[Details]
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introduction
As people's enthusiasm for open source software grows, Linux, as a powerful and stable open source operating system, is increasingly favored by thousands of computer experts and e...[Details]
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introduction
In theory, the power supply rejection ratio (PSRR) measurement is relatively simple. A variable frequency signal modulates the power supply input, and the attenuation of that signal i...[Details]
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With the development of multimedia audio-visual, speakers are an important part of audio equipment and their importance is gradually being recognized by everyone. However, think about whether you have...[Details]
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Central multifunctional touch screens are increasingly replacing dedicated switches. Although central multifunctional touch screens look sophisticated and are cheaper to produce, they can distract th...[Details]
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Today’s wireless connectivity architecture in commercial vehicles may be suitable for standard Level 2 of autonomous driving. However it remains questionable whether it can meet the performance req...[Details]
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