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Qisheng AV-747DB is the latest home theater AV center launched by Qisheng Company. It adopts a front and rear split structure. Its front stage uses HD6473714P microprocessor as the control center, and...[Details]
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Introduction
It is becoming a trend to make medical testing equipment available at home, and home sphygmomanometers are typical home medical testing equipment. The most commonly used sphygmoma...[Details]
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I often read some questions on the Internet about whether PLC will be replaced by MCU, and whether MCU will be replaced by PLC. If the technology you have worked so hard to learn becomes obsolete by ...[Details]
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background Recently, I'm using STM32F030C8T6 as an I2C Slave device interface. I've searched a lot of information online, but there are very few examples of using STM32 hardware I2C, and there are a ...[Details]
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The epidemic has disrupted the linear, smooth, and predictable society of the past, bringing about a major change that has not been seen in a century. For my country, this year is also the year to ac...[Details]
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With the emergence of touch screens and the rapid development and increasing maturity of touch screen technology, touch screen technology has been widely used in public service fields and electro...[Details]
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On November 16, 2020, the 96th China Electronics Fair-International Components and Information Technology Application Exhibition officially opened at the Shanghai New International Expo Center. This ...[Details]
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The issues of safety and battery life are like the eternal dilemma of fish and bear's paw. They always seem to be on opposite sides and cannot be achieved at the same time. Companies always have t...[Details]
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Circuit Principle In Figure IC1-4069, Y1 and Y2 form an oscillator with a frequency of 76KHZ. After being isolated and shaped by Y3-Y6, they are sent to the two-group frequency modulation circuit c...[Details]
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China Mobile has been active since it was awarded the 5G license, and recently placed three consecutive 5G orders, including 5G core network upgrades, 5G terminals (test version), and 5G Phase I wire...[Details]
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There is no such thing as free charging convenience. Engineers have come up with many solutions behind the scenes. Looking to the future, don't buy a car that does not support the USB Type-C interfac...[Details]
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Aiming at the problem that there is no GPRS signal in the ocean and wireless communication cannot be carried out, a real-time monitoring system for ocean-going ships is designed based on the STM32F103...[Details]
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Italy’s energy storage market doubled its capacity in the first half of the year, according to data from Italian renewable energy trade body ANIE Rinnovabili, although the second qu...[Details]
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This circuit consists of a negative pulse oscillator (NAND gates IC1A and IC1D) and an RS trigger (NAND gates IC1B and IC1C). The servo control signal is output from the 6th pin of the RS trigger. ...[Details]
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Panasonic servo drive is a high-performance motor control device, widely used in industrial automation, robotics, CNC machine tools and other fields. In practical applications, in order to ensure t...[Details]