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"Fuel cells" has been a very "hot" topic in the past two or three years. Before we delve into fuel cells, let's first talk about the energy used by fuel cells: hydrogen. The history of human energy...[Details]
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I came across the term "programming pattern" from the Chinese version of the LabVIEW help document. This relatively academic term is a summary and conclusion of a series of programming structures used...[Details]
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Tektronix oscilloscope is an important member of electronic measuring instruments. We can use the oscilloscope to observe the waveform curves of various signal amplitudes changing with time. At the s...[Details]
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We have talked a lot about how to control speed regulation and some problems encountered in speed regulation. Today, let’s talk about the speed regulation of the three speeds of the motor.
T...[Details]
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Oscilloscope probes have two wires, one for connecting the test circuit to the vertical amplifier of the oscilloscope (called the sensing wire) and the other for connecting the oscilloscope chassis g...[Details]
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1. Detect small capacitors below 10pF. Because the capacity of fixed capacitors below 10pF is too small, if you use a pointer multimeter to measure it, you can only qualitatively check whether there ...[Details]
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The displayed average noise level (DANL) sensitivity of a spectrum analyzer is -172dBm/Hz, which is only 2dB away from the theoretical thermal noise limit of -174dBm. What kind of black technology do...[Details]
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This time, debugging the hardware of stm8 was really hard. I didn't expect it to be so annoying! It took me 5 days to do it. I referred to many examples on the Internet and Fengchi's stm8 explanation...[Details]
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Regarding the extent to which the server industry has been affected by the Wuhan coronavirus outbreak, DRAMeXchange, a semiconductor research center of TrendForce, pointed out today that the impact o...[Details]
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The first step in microcontroller software development is to download the program. If there is a problem with this step, then everything else will be out of the question. Today, I will g...[Details]
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Radar level gauge is a common measuring instrument. The measuring principle of radar level gauge is relatively good, and there are generally no problems in the measuring process. Nowadays, radar leve...[Details]
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SCHOTT supports the European Extremely Large Telescope (ELT) by providing the 500th sub-mirror for the M1 primary mirror
July 20, 2022, Mainz, Germany
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SCHO...[Details]
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Abstract: According to the data recording requirements of electronic equipment in an industrial field, an embedded data recording system based on short-range wireless communication is designed. The...[Details]
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2.3WINCC Configuration WINCC configuration first creates variables. Since it does not need to be connected to the PLC, only internal variables need to be created. The other is the configuration scr...[Details]
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Under the condition that the circuit parameters remain unchanged, the switching frequency is related to the hysteresis width △iL. Therefore, as long as frequency negative feedback is introduced and t...[Details]