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The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
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In engineering practice, connecting the outputs of two gates in parallel to realize the function of AND logic is called wired AND.
Consider the situation shown in the figure below. When the outputs ...[Details]
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New energy vehicles have been listed as an emerging strategic development priority in China's "13th Five-Year National Industrial Plan"; by 2020, the production capacity of pure electric vehicles and...[Details]
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introduction
Nowadays, embedded devices exist in every corner of people's lives, such as digital cameras, mobile phones, TV set-top boxes and PDAs. Most of these embedded devices use 32-bit RISC em...[Details]
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CAN bus (Controller Area Network) is a communication protocol used in the automotive and industrial fields, and is widely used for data exchange between various electronic control units (ECUs). An ...[Details]
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In the past, going to government agencies to do business was a headache. Not only did one have to prepare complicated documents, but there were also many troubles such as "running back and forth to d...[Details]
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According to foreign media reports, the United States Patent and Trademark Office (USPTO) announced a new Apple “Project Titan” patent application, which involves electronic packaging, especially the...[Details]
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The design requirements are: The battery is 4.2V and the load is 5V. For this purpose, the switching voltage regulator LM2596 is used for DC-DC conversion, which has the characteristics of strong dr...[Details]
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Samsung has been developing high-end augmented reality glasses for some time. The company gave a demo of AR glasses at CES 2020, but there has been little information about their commercial launch. 9...[Details]
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Tesla announced a price cut just as 2021 began. As soon as the news came out, it immediately ignited the new energy vehicle market and instantly increased Tesla's orders. But do you know? In the comp...[Details]
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There are several types of LED packaging: bracket row packaging, surface mount packaging, and module packaging. These packaging methods are common and commonly used.
1. Conventional existing p...[Details]
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During the circuit board test, I found that one circuit board could not be programmed. So I checked:
1. There is no problem with power supply and ground
2. Use
an oscilloscope
...[Details]
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1. System solution With the continuous development of science and technology, the electronics industry has become more and more important. Now electronic products can be seen in almost every field of...[Details]
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Light is generated by electromagnetic radiation, so light is an expression of part of the electromagnetic
spectrum
. The spectrum that the human eye can observe is called visible light, fro...[Details]
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XTAL1 and XTAL2 refer to the two pins commonly used to connect the "crystal oscillator" (crystal resonator) on the 8051 series microcontroller. In principle, these two pins are connected to an invert...[Details]
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