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(1) Control functions: ① Start/Stop: The main switch enabling position of the stopwatch and clock selection functions. If not pressed or pressed occasionally, the clock and stopwatch function selecti...[Details]
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Central topics:
Basic Design of Grid-connected Photovoltaic Inverter
Key technologies for photovoltaic inverters without isolation transformers
Analysis of leakage current in norma...[Details]
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Keysight's Device Safety Research Laboratory can now perform vehicle type approval assessments according to UN R155/R156 regulations
From July 2024, all new cars produced in UNECE...[Details]
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Translated by EEtimes, Maurizio Di Paolo Emilio Advanced power management is key to keeping up with the rapid advancement of digital technology. The use of energy harvesting solutions can be a majo...[Details]
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In recent years, as competition in the LED display market intensifies, it is difficult for companies to maintain their development and competitive advantages relying solely on their own resources. Th...[Details]
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As shown in the figure, it is a good or bad discriminator circuit of 555 and 741 op amps. The oscillation frequency of the multivibrator composed of 555 (IC1) and R1, R2, C1, etc. is f=1.44/(R1+2R2)C1...[Details]
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Recently, I re-debugged the 8-bit HWECC and found that the 8-bit HWECC of S5PV210 can indeed be used. However, problems still occur when using the yaffs2 file system. This is due to the conflict betw...[Details]
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This article introduces the main features and advantages of EM773, block diagram, smart meter principle block diagram, meter main component BOM, smart meter wireless plug meter circuit diagram and me...[Details]
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As the key to achieving autonomous driving, steer-by-wire technology has attracted much attention in recent years and has become a hot topic in the market. However, on the road to mass production, th...[Details]
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1. DC output module power supply ripple and noise test
The output ripple of the DC output module power supply includes common mode and differential mode. The differential mode ripple includes the ri...[Details]
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The structure of magnetic flap level gauge is simple, mainly composed of a buoy, a float and an indicator. But even for the indicator that everyone is accustomed to, Jiwei Automation still made imp...[Details]
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The peak electronic voltmeter uses a peak scale on its dial, and its reading has nothing to do with the waveform being measured, but you must pay attention to the form of its detection circuit when u...[Details]
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Pin connection method
_ : The following is a description of each pin:
1 /*--
2 REG52.H
3
4 Header file for generic 80C52 and 80C32 microcontroller.
5 Copyright...[Details]
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Faced with an increasingly complex market environment, the pace of integration and innovation in the retail industry is accelerating rapidly, and digital technology is becoming an important means f...[Details]
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There are many versions of the "small three electrics" of new energy vehicles. However, the most recognized version is the "small three electrics" consisting of the on-board charger OBC, the on-boa...[Details]
PCB Design
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