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The measurement principle of the electromagnetic flowmeter does not rely on the characteristics of the flow rate. If there is a certain amount of turbulence and eddy current generated in the non-meas...[Details]
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The advantage of integrated parking and parking is that the cost is lower, and the functional experience is also significantly improved. Traveling and parking together has been popular for some tim...[Details]
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51 MCU interrupt principle The concept of interruption: When the CPU is processing an event A, another event B occurs and requests the CPU to process it quickly (interrupt occurs). Then the CPU will ...[Details]
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The intelligence of cars starts with having “eyes”. 80% of the knowledge and memory in the human brain is acquired by the eyes. Some people even say that without eyes, there would be no human civil...[Details]
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Not long ago, Xiaomi announced a new logo. It was said that it spent millions to invite Japanese designer Kenya Hara to design it, which sparked heated discussions among netizens. Some netiz...[Details]
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Abstract:
In the era of digital economy, with the promotion and application of 5G, Internet of Things, and Industrial Internet, data will grow exponentially. A large amount of data will enter...[Details]
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Early this morning, Apple officially pushed the Beta 2 version of iOS/iPadOS 15.4 system. The new version was updated only a week ago. Let’s take a look at the new features implemented. NFC air pay...[Details]
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The transistor BG is the input stage of the circuit. Its input terminal CZ can match the output signal of the pickup and the radio. A capacitor C2 is connected between the base of the tube and the...[Details]
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On the evening of October 25, Unigroup Guoxin released its Q3 2021 performance announcement. In the first three quarters of 2021, the company achieved revenue of 3.79 billion yuan, a year-on-year inc...[Details]
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; Only integer operations and non-zero operations can be performed
ORG 0000H
JMP A1
ORG 002BH
A1: MOV R0,#0FFH; dividend
MOV R1,#0FFH; dividend
MOV R2,#0; remainder
MOV R3,#0; remainder
...[Details]
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Recently, the Ministry of Finance has issued a series of news, adjusting the import and export tariffs for 2023, including the addition of surgical
robots
.
The announcement of the "Ta...[Details]
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A handheld laser pointer produces no noticeable recoil when it "fires" - even though it fires a directed stream of light particles. The reason is simply that its mass is relatively large compared to ...[Details]
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This afternoon, Apple's pre-market share price in the U.S. rose by about 1%, and the pre-market share price was $181.26. The total market value at the opening is expected to exceed $3 trillion. As of...[Details]
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1. Main technical difficulties
① There are tens of thousands of pixels on a large LED display. As the display area increases, the circuit structure becomes more complex.
② In order to ens...[Details]
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Background: MicroRNAs (miRNAs) are a class of non-coding small RNAs (~22 nt) that have been discovered in recent years and are highly conserved in evolution. As key post-transcriptional gene express...[Details]
Analog electronics
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