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1. Introduction
LED photoelectric testing is an important and only means to test the photoelectric performance of LEDs. The corresponding test results are the basis for evaluating an...[Details]
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For microcontroller programs written in C language, the declaration of registers is contained in the header file "reg52.h" Special statement: sfr——Special function register data declaration, decl...[Details]
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Device Overview
The LED driver chip MAX6960 can directly drive two sets of monochrome 8 × 8 dot matrix display modules through its 8 row and 16 column ports without using peripheral circuits...[Details]
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On the afternoon of August 25, Megvii Technology Co., Ltd. disclosed its prospectus on the Hong Kong Stock Exchange. According to a report by CIC, Megvii is China's largest cloud-based facial recog...[Details]
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On June 9, the Shanghai Securities Regulatory Bureau disclosed CICC’s summary report on its guidance work for Shanghai Hi-Tech Silicon Material Co., Ltd. (hereinafter referred to as “Shanghai Hi-Tech...[Details]
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Electric vehicles can make an outstanding contribution to environmental protection and emission reduction: they have no tailpipe emissions and are quieter than traditional cars. The number of registe...[Details]
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Recently, the Hainan iPhone has become popular. Tax exemption has caused some iPhone models to drop by nearly 2,500 yuan, and the Hainan iPhone has replaced the Hong Kong iPhone and become the cheape...[Details]
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Cylindrical roller bearings are a commonly used motor accessory that can provide high load capacity and high-speed rotation characteristics. In the following cases, the motor needs to choose cylind...[Details]
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According to data from Gartner, a well-known analysis firm, global semiconductor revenue is expected to reach US$676 billion in 2022, an increase of 13.6% from 2021. According to Evertiq, Alan Priest...[Details]
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According to foreign media reports, Porsche Engineering has developed a new torque control system for all-wheel drive electric SUVs, and the system is currently being tested. The system can provide m...[Details]
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If you want to "break through" and avoid the embarrassment of being "choked", developing your own chips is the only solution, and it requires more people to work hard to promote it. On April 7, Bei...[Details]
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For a long time, whether it is domestic or foreign, whether it is a communication system or a UPS system, people are accustomed to using two groups of batteries in parallel to match a
UPS
...[Details]
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As a system that closely combines the hardware and control systems, the power battery system test can be roughly divided into two parts: battery pack test and battery management system (BMS) test. ...[Details]
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Receiver RX electrical interface test
Receiver conformance test:
(Excerpt from USB 3.0 Electrical Compliance Methodology White paper Rev0.5)
Test principle:...[Details]
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Yes, but it is worth noting that the connection and application of single-phase inverters and single-phase motors need to consider many factors, and the connection between single-phase inverters an...[Details]
Power technology
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