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Amazon focused so much on improving audio quality with the 4th-gen Echo Dot that I had to buy one for myself specifically for teardown purposes. I suspect the 4th-gen Echo Dot's larger size than it...[Details]
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1. Contactor interlocking forward and reverse circuit
1. Close
the power supply
Close the main power supply QF1, QF2, and close the control power supply QF3.
2. Forwa...[Details]
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According to MEMS Consulting, the competition between LiDAR and other sensor technologies (camera, radar and ultrasonic) has increased the demand for sensor fusion and also requires careful selec...[Details]
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Linux is an operating system that supports processors of various architectures and has strong portability. This paper describes the method and process of porting μClinux to a target board based o...[Details]
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A microcontroller is a single-chip microcomputer that integrates the main parts of a microcomputer on a single chip. Low-cost 8-bit single-chip microcontrollers are very stingy when it comes to o...[Details]
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This multifunctional electronic sphygmomanometer uses the oscillometric method for measurement. Its principle is to measure the vibration of the blood vessel wall caused by blood flow. During the c...[Details]
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At present, many SOC manufacturers' microprocessor chips have integrated LCD controllers, such as Samsung's S3C2410.S3C2440, Intel's Xscale series, etc. Most embedded systems also use popular LCD d...[Details]
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Interface connection method of a single seven-segment LED digital tube
There are two ways to connect a single seven-segment LED digital tube to a single-chip microcomputer:
1. Soft decodin...[Details]
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In the past six months, there has been a severe shortage of semiconductor production capacity worldwide, and major companies have raised prices. Expanding semiconductor production capacity has become...[Details]
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After Tesla became profitable, Musk was so proud that he recently started a quarrel with Ford, the big boss of the American automobile industry, and he seemed to be very confident. In fact, the reaso...[Details]
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This article briefly describes the advantages of adding peripherals to power management ICs. In general, adding peripherals to power management ICs can improve the integration of hardware and softw...[Details]
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Many electrical novices are not sure how to start debugging after designing electrical control cabinets and PLC programs. Or some people have caused problems such as PLC burnout due to inappropriat...[Details]
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In order to obtain sufficient white light LED beams, large-size LED chips were developed in an attempt to achieve the desired goal. In fact, when the power applied to the white light LED exceeds 1W, t...[Details]
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"State Grid":
Why does State Grid Corporation of China want to promote the construction of new energy cloud?
Liu Jinsong: First of all, this is necessary to serve the energy strategy...[Details]
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Measuring the high-level and low-level resistance of the CAN bus (Controller Area Network) is an important task because they are crucial to ensure the normal communication of the CAN bus.
...[Details]