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We have discussed the reset issue before. In fact, the execution process of the four resets is not the same. After the external reset, the processor first determines the state of P2.10 to determine w...[Details]
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With the development of information technology, wireless communication has become popular, but our usual monitoring method is still contact-based. The disadvantages of contact monitoring are: conta...[Details]
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The latest report from TF International Securities analyst Ming-Chi Kuo is positive about Apple's future strategy for iPhone products. He believes that among smartphone brands from 2021 to 2023, Appl...[Details]
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Overview For a long time, people have mostly used photometers as the main detection instruments for optical signals. The principle is to convert optical signals into voltage or current signals throug...[Details]
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This circuit is a common tape recorder head amplifier circuit in the 1990s. It uses the ultra-low noise precision op amp OPA37 to form the head preamplifier. The circuit can provide standard NAB bala...[Details]
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Currently, more than 20 models equipped with 800 V systems have been launched or are about to be launched worldwide, and fast charging stations that provide more than 350kW charging power have beco...[Details]
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In general, the main factors that cause electromagnetic flowmeter errors can be divided into three categories: improper selection, influence of the measured fluid and interference. Improper selecti...[Details]
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If you want to make a cool robot that follows a black line. You can make a line follower robot with a D controller in about 2 hours.
One capability that most rover autonomous robots require is...[Details]
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A resolver is an AC micro motor that can output an electrical signal that is a function of the rotor angle or position. It is mainly used in angle position servo control systems or motion servo con...[Details]
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As an example, here is a piece of ARM assembly code:
address
instruction
0x3000
BL add
0x3004
MOV r0,#0
0x3008
MOV r1,#1
0x300C
...[Details]
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The basic wiring diagram of the inverter is shown in Figure 10-7.
Figure 10-7 Basic wiring diagram of the inverter
Pay attention to the following points when wiring.
(1) ...[Details]
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AVR port is a true bidirectional port, unlike 51 pseudo bidirectional. This is also an advantage of AVR, just pay attention to DDRn when operating. True bidirectional port is not as convenient as p...[Details]
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Recently, according to an email from IEEE, because Huawei has been included in the "Entity List" by the United States, its employees cannot serve as reviewers. On the 29th, a screenshot circulate...[Details]
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1Written in front The previous two articles are about the configuration of various options of project nodes, while this article is about the configuration of various options of the integrated develo...[Details]
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In recent years, the backlight source has developed rapidly, with new technologies and new products being introduced continuously. LED backlight has gradually entered industrialization and has reached...[Details]
PCB Design
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