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On July 1, a "key" symbolizing the official handover of the 110 kV Boyi Station was handed over from the Project Management Center of Shanghai Pudong Power Supply Company to the Operation and Inspe...[Details]
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According to information obtained by MacRumors from a reliable source, Apple is providing new screen removal heating devices to Genius Bars and authorized service providers for repairs of the iPhone ...[Details]
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Display a column on the 8X8 dot matrix LED, and let it move smoothly from left to right three times, then move smoothly from right to left three times, then move smoothly from top to bottom three...[Details]
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(1) Create the database file test.db
#cd /home/www
#sqlite3 test.db
SQLite version 3.7.7.1 2011-06-28 17:39:05
Enter ".help" for instructions
Enter SQL statements terminated wit...[Details]
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Serial port initialization process: 1. Determine the working mode of T/C1--TMOD 2. Set T/C initial value----------------------------TH1, TH2 3. Start T/C----------------------------------...[Details]
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Before powering on a newly soldered circuit board, you need to test the circuit first, otherwise there will be problems such as short circuits. If you power on directly at this time, the board will b...[Details]
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Hokuyo Automation, a manufacturer of sensors and automation technology, has partnered with machine vision developer SiLC Technologies (SiLC) on a new project to build 4D light detection and ranging...[Details]
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Today's main electroacoustic products include high-performance microphones/handle microphones, balanced armature receivers, and silicon microphones/ultrasonic sound wave sensors.
Half of the annual...[Details]
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ts.c source code: #include "linux/module.h" #include "linux/init.h" #include "linux/fs.h" #include "linux/interrupt.h" #include "linux/irq.h" #include "linux/sched.h" #include "linux/pm.h" #include "...[Details]
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The wireless sound and image transmission system is a transceiver with the function of wirelessly transmitting and receiving images and sounds. The wireless monitoring system solves the short...[Details]
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At present, in flat panel display technology, organic light emitting diodes (OLED) have the advantages of self-luminescence, high contrast, high response speed, wide viewing angle, etc., which have...[Details]
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The benchmark for domestic intelligent driving has changed. Previously, Xiaopeng was far ahead of the rest. If you want to see intelligent driving, you have to look at Xiaopeng Motors. But recently...[Details]
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Hybrid electric vehicles (HEV) or plug-in electric vehicles (PEV) usually use motor drive power modules, such as IGBT modules, which generate very large heat, usually about 1,000W to 2,000W. The on...[Details]
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Plastic particles are raw materials used to produce and inject plastic products, and are widely used in various plastic products. The product quality, color and surface moisture of plastic particles...[Details]
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For small power supplies, critical conduction mode (CRM) APFC is generally used. It appears when the sine wave crosses zero, which can change the switching frequency and make the switching frequency v...[Details]