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Who, How and Why?
These three points are often the greatest pleasure of a detective novel. At the end of the novel, the author will ask who the murderer is and predict the murderer, br...[Details]
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1. Overcurrent
Overcurrent is the most frequent inverter alarm phenomenon.
1.1 Phenomenon
(1) When restarting, the circuit breaker trips as soon as the speed increases. This is a ver...[Details]
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At present, signal analysis is mainly carried out from three aspects: time domain, frequency domain and modulation domain. iframe src="https://www1.elecfans.com/www/delivery/myafr.php?target=_blank...[Details]
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1. Significance of the topic From ancient times to the present, humans have used a variety of methods to record time, from water drop timing and corona observation to pendulum clocks and...[Details]
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The figure shows a DC millivolt meter composed of SF357 operational amplifier , which can make up for the shortcomings of general multimeters or ordinary meters in measuring DC millivolt signals. Th...[Details]
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I used to make an electric iron project, which required temperature measurement. However, in order to save costs, a single-chip microcomputer without AD was used to control it. The temperature measure...[Details]
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Abstract: In order to realize the wireless transmission of terminal call data, the design uses STC89C52RC single-chip microcomputer as the control chip and low-power chip nRF905 as the wireless tra...[Details]
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"People are used to dividing everything into black and white, but unfortunately, reality is all gray." This sentence written by Liu Cixin is also a true portrayal of the autonomous driving industry. ...[Details]
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Combustible gases such as liquefied petroleum gas and coal gas often cause poisoning and fire accidents due to leakage. There are many types of existing flammable gas leak alarms, which are mainly ...[Details]
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This section debugs NXP's LPC2114 chip. When running at full speed, it always reports a data acquisition abort exception, and there is no regular pattern. It took me more than a week to finally get i...[Details]
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Vehicle motion management, utilization of internal monitoring sensors, indoor monitoring applications, cloud battery management systems. These new technologies could transform current cars and make t...[Details]
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Speaking of venue monitoring, there are many benefits. It can not only detect hidden dangers in time and block potential security threats, but also save personnel costs and energy. Therefore, mor...[Details]
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This website introduces the production of the host in the wireless anti-theft alarm system to netizens. It uses the AT89C2051 microcontroller as the central processing chip, making the system's func...[Details]
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According to PC World, Intel's new CEO Bob Swan said on Thursday that the company's process will no longer be a stumbling block to its customers' development. Intel will once again invest in 14nm p...[Details]
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Data transfer instructions:
MOV transfers between two registers. For example, MOV r1, r0 assigns the content of register r0 to r1.
MVN is used in the same way as MOV, except that MOV pass...[Details]
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