I have a problem that I have. I have a chain store and each store has 4 surveillance cameras, all of which use Hikvision 7100 and 7800 series recorders. All of them are bound to a mobile phone number ...
For the human body, the heart occupies an important position, which is needless to say. It is the power organ of the human body, which produces blood circulation, thus ensuring the relative constancy ...
I have always been troubled. I would like to ask, why should I use USB to serial port to download instead of USB directly? Is it because of the difference in electrical level?...
Please send me the information of fingerprint recognition chip. AES3400 is hard to find.
Post to earn points and exchange for boards[[i]This post was last edited by jialaolian on 2010-7-18 12:58[/i]]...
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In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
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Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
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The small size and low cost of home appliance control boards mean that high-cost materials will not be used in the circuit to solve the electromagnetic interference problem. The interference of hom...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
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The data detected by various measuring instruments often need to be transferred to the PC for data processing and archiving, so as to make full use of the rich hardware and softwa...[Details]
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[Details]
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Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communications since the advent of digital communications. Many new wireless commun...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
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Industrial Control Electronics
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