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The research of electromagnetic flowmeters on fluid noise, explores the causes of its generation, finds ways to reduce fluid noise, and improves the sensor signal-to-noise ratio, which is of great si...[Details]
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The severe cold weather did not dampen the enthusiasm of the Google Developers Conference. Intel OpenVINO™ brought a new development experience to AI developers and promoted the "adaptability and inn...[Details]
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As a new light source, LED power supply and drive circuit are different from the electronic ballast of fluorescent lamp. The main function of LED drive circuit is to convert AC voltage into DC volt...[Details]
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When I was testing the circuit board, I found that one circuit board could not be programmed. So I checked:
1. There is no problem with power supply and ground
2. Use an oscilloscope to measu...[Details]
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In the early days, hydrological tests of small and medium-sized rivers were generally conducted manually, which took a long time, was labor-intensive, and had large subjective errors. For this reas...[Details]
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This code uses Proteus simulation, uses 51 single-chip microcomputer to simulate PWM, uses timer to obtain motor speed information, uses PID algorithm to control speed, speed, P, I, D can be set wi...[Details]
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Nowadays, the means of crime are becoming more and more high-tech, and a small tool that looks like a Game Boy is actually a great tool for stealing cars. According to foreign media reports,...[Details]
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In April 1947, the British magazine Radio World published DTN Williamson's article "High Quality Amplifier Design". The article introduced in detail an excellent power amplifier with large-loop negat...[Details]
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With the rapid development of technology, the automotive industry is undergoing unprecedented changes. From electric vehicles to autonomous driving to smart cockpits , these emerging technologies ar...[Details]
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Keil itself does not come with data for the STC 8051 microcontroller, which makes it very frustrating to use. Fortunately, a young man in China has compiled a patch.
This patch contains ...[Details]
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The 6th Chengdu International Auto Parts and After-sales Service Exhibition (CAPAS) will be held at the Chengdu Century City New International Convention and Exhibition Center from May 23 to 25, 2019...[Details]
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The launch of Bluetooth mesh networking has paved the way for key applications of connected lighting in building automation, thanks to the added benefits of the “lighting as a platform” model. In a...[Details]
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In the early development stage of electric drive products, the motor output torque fluctuation or torque deviation is often encountered, and this phenomenon may even occur when the customer install...[Details]
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There are many sampling methods in test and measurement. Today, the editor of Electrical Learning Network will introduce different options for oscilloscopes. The default mode retains the first samp...[Details]
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As the battery life of today's smartphones is short, mobile power supplies have emerged as a strong support. This article briefly introduces how to achieve high-efficiency conversion of mobile power ...[Details]
Test/Measurement
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