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When designing and installing a sound system, it is inevitable to encounter the problem of matching the power amplifier and the speaker. In terms of timbre, attention will be paid to whether the match...[Details]
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Devices under test
Crystals, voltage-controlled oscillators, and quartz
resonators
. Frequency range from 32kHz to 6GHz. Most devices are available in surface mount packages, with the...[Details]
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As the process of resuming work, production, business and market is accelerating, the national economy is on the fast track of restarting, and all industries are in urgent need of boosting confidence...[Details]
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1. General timer slave mode: reset mode Use TIM1 CH1 to output PWM pulse Use CH1 of TIM4 as the trigger input channel. The rising edge of PWM triggers the reset mode of TIM4...[Details]
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1. Experimental task: Use the timer/counter T0 of AT89S51 to generate a 2-second timer. When the 2-second timer comes, the indicator light flashes. The frequency of each indicator flashing is 0.2 s...[Details]
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According to statistics from the State Grid Hubei Electric Power Control Center, at 20:33 on March 31, Hubei's maximum electricity load was 23.06 million kilowatts, an increase of 0.75% year-on-yea...[Details]
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On August 8, Tencent officially released the second-generation Max robot (hereinafter referred to as "Max"), which was developed by Tencent Robotics X Laboratory and is a multi-modal quadruped robo...[Details]
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The three-day World Sensor Conference ended perfectly at the Zhengzhou International Convention and Exhibition Center. The purpose of this sensor conference is to promote the exchange of the latest a...[Details]
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As we all know, Volvo has always been famous for its safety. The new S60, which debuted at the Geneva Motor Show, not only innovated the style of the car, but also made new achievemen...[Details]
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The soil nutrient tester is professionally produced by Hengmei soil testing instrument equipment manufacturer, which provides soil testing instrument technical services. It is committed to the rese...[Details]
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On August 23, the 2021 China International Intelligent Industry Expo (hereinafter referred to as the 2021 Smart Expo) was held in Chongqing. With the theme of "Intelligent: Empowering the Economy and...[Details]
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Abstract: It is proposed to use neural network controller to realize decoupling control within a large deviation range, and use PID control to achieve rapid stabilization and eliminate static error...[Details]
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In transistor receivers and amplifiers, push-pull power amplifier circuits are widely used. Traditional push-pull circuits always require input transformers and output transformers. This transforme...[Details]
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AVR MCU I/O port read 74HC165 interface program
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AVR microcontroller I/O port read 74HC165 interface program
File name: serin.c
Compiler: Wi...[Details]
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The solution uses the NXP i.MX8MP processor and the Onsemi AR1335 image sensor. The i.MX8MP integrates a quad-core Cortex-A53, NPU and dual ISP technology. The AR1335 is a 13M CMOS sensor. It uses ...[Details]
Test/Measurement
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