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Linux system: Ubuntu9.10 Cross compiler: arm-linux-gcc-4.3.2 (already installed) Qt: qt-x11-opensource-src-4.5.3.tar.gz qt-embedded-linux-opensource-src-4.5.3.tar.gz 1. Install Qt Qt downlo...[Details]
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When I was working on a small device recently, I needed to send the data collected by AD to the host computer through the serial port. Since it also had to be displayed on the lower computer, it was ...[Details]
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Abstract:
ABSTRACT
Aiming at the problem of the Hall position of a three-phase full-wave six-state brushless DC motor and the motor rotation direction under a specific commutation logic, ...[Details]
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Safety innovation, professional-grade sound quality, cool appearance, Cardo PACKTALK PRO sets a new standard for motorcycle helmet Bluetooth headsets
Beijing, China - Media OutReac...[Details]
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In today's world of mixed-signal systems, many applications require the measurement and processing of a large number of analog signals, including but not limited to voltage, current, temperat...[Details]
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1 Introduction
As we all know, the current-mode control chip retains the output voltage feedback part of the voltage-mode chip and adds a feedback link: comparing the current signal VS with th...[Details]
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An alternative to lock-in amplifiers is to use DC polarity reversal on the current signal to remove noise. This is a well-established technique for removing offset and low frequency noise . Today’s DC...[Details]
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Reducing energy consumption and extending battery life are the goals that every engineer strives for when designing portable electronic products. Battery technology advances very slowly, so designe...[Details]
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In the first half of 2018, the total output of diaphragms was 760 million square meters, an increase of 18.75% year-on-year. Among them, the output of wet-process diaphragms was 410 million square ...[Details]
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As the weather gets colder, people have been talking about how people in the north and south spend the winter.
Winter in the north depends on heating
The South relies on positive energ...[Details]
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On January 24, the fourth session of the 13th Guangdong Provincial People's Congress opened. Guangdong Governor Ma Xingrui delivered a government work report to the congress. The report states that G...[Details]
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According to the official website of the State Intellectual Property Office, the patent for "wireless charging method, system and storage medium" applied by Xiaomi Motors has been authorized. The p...[Details]
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Simple production method of LED electronic light box
1. Production: Use acrylic board, plastic board, or other insulating materials, mostly black 2.5mm double-layer aluminum-plastic board. Car...[Details]
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Supply chain sources show that this year's iPhone 11 series has reduced production costs by 10%. According to JPMorgan Chase, Apple has successfully reduced the cost of the iPhone 11 series by 12% in...[Details]
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On September 13, the State Council Information Office held a press conference on "Promoting the construction of a strong manufacturing country and a strong cyber power to contribute to the comprehens...[Details]
Microcontroller MCU
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