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Most of the lighting lines in buildings nowadays are dark wires. If you use a 4-wire electronic switch to control these lights, you need to connect another power source and modify the line. This is...[Details]
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Several methods for measuring voltage: 1. Voltage measurement methods are generally divided into direct measurement and indirect measurement. During the measurement process, the direct measurement me...[Details]
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LED lighting is more efficient and lasts longer than other types of lighting and bulbs. Depending on usage, it can last 20-30 years. Unlike compact energy-saving lamps, LED light is stable and does...[Details]
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Resistance Measurement - Voltammeter Method Used to measure DC resistance. The figure shows the principle wiring for measuring high resistance (above megaohms), low resistance (below 10 ohms), and me...[Details]
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The half-bridge device adopts Trench IGBT technology, with optional low VCE(ON) or low Eoff, suitable for high current inverter stages. MALVERN, Pennsylvania, USA, and Shanghai, China - February 29...[Details]
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Recently, the SD card FatFs (version R0.09a) file system was successfully ported in LPC1768 SPI mode. Here is a summary of the porting process. 1. Bottom-level driver The SPI mode driver of SSP0 ...[Details]
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Virtual oscilloscopes are becoming increasingly popular due to their unique advantages in waveform triggering, storage, display, measurement, waveform data analysis and processing. Since there is a la...[Details]
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Focus on analyzing the memory mapping of s3c2410 after reset and its application. 1. Basic Configuration EDUKIT-III adopts the design of core daughter board plus expansion board. I am learning ...[Details]
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Chint Power Systems successfully supplied the first "Leader" photovoltaic project in China, the "National Advanced Technology Photovoltaic Demonstration Base in Datong Coal Mining Subsidence Area, ...[Details]
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In order to make the current probe perform accurate measurements, you must frequently degauss and balance the probe. Degaussing can eliminate the parasitic magnetic field in the probe core, otherwise...[Details]
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On June 6, 2019, the Ministry of Industry and Information Technology issued four 5G licenses, marking China's official entry into the first year of 5G and becoming the first echelon of 5G commercial ...[Details]
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As the performance of smart mobile devices continues to improve, batteries are becoming increasingly overwhelmed, and mobile power products are growing and developing. In addition, the increase in us...[Details]
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Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
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First Generation Roadster
Before reviewing the design of Tesla's inverter, we have to mention AC Propulsion, a company that has left a strong mark in the history of electric vehicle de...[Details]
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创业板IPO|米格新材IPO中止:成立5年就顺利过会,盈利质量存疑来源丨时代投研作者丨陆海编辑丨李乾韬【导语】成立5年就顺利过会,江苏米格新材料股份有限公司(下称米格新材)是个令人羡慕的幸运儿。不过,深交所官网显示,9月30日,因财务资料过期,米格新材IPO按 ...
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