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On March 17, Enjie Co., Ltd., the world's largest diaphragm company, announced its 2019 financial report. In 2019, Enjie Co., Ltd. achieved a total operating income of 3.16 billion yuan, a year-on-ye...[Details]
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GPIO port usage: 1. The entire
GPIO and AFIO series supports
GPIO registers
(1) Two 32-bit configuration registers (GPIOx_CRL, GPIOx_CRH);
(2) Two 32-bit data registers (GPIOx_IDR, GPIOx_ODR)...[Details]
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Ultrasonic generator
Ultrasonic generator, usually called ultrasonic source, ultrasonic power supply. Its function is to convert our mains electricity (220V or 380V, 50 or 60Hz) in...[Details]
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Each key is connected at both ends, horizontally and vertically. For example, if the scan code is input vertically, it means that the scan code received in that row is the same bit, while the scan cod...[Details]
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O Introduction
OQPSK modulation technology is a constant envelope digital modulation technology developed after OPSK. It is widely used in mobile communication and satellite communication d...[Details]
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In recent years, the high-brightness light-emitting diode (HB-LED) market has grown rapidly, and LED efficacy (in lumens per watt or lm/W) has more than doubled, making it more suitable for many ne...[Details]
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The Model 2000 6½-digit digital multimeter is a fast, accurate and highly reliable instrument that is easy to learn and use at an affordable price. It has a wide measurement range and high accuracy -...[Details]
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In recent years, the global automotive industry is in a critical period of transformation from traditional fuel vehicles to electrification and intelligence, and the development of intelligent driv...[Details]
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At the 20th Shanghai International Automobile Industry Exhibition (referred to as "2023 Shanghai International Auto Show"), CATL , Honeycomb Energy, China New Aviation, Everview Lithium Energy , Sun...[Details]
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Fritzchens Fritz has just shared a look at the core die of AMD's Ryzen 5000G desktop APU processor, giving us our first chance to see the true appearance of the chip designed with the Zen 3 CPU + enh...[Details]
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1. This design uses STC89C51/52 (compatible with AT89S51/52, AT89C51/52, optional) microcontroller as the main controller 2. Use Hall sensor to measure motor speed contactlessly · 3. LCD1602 liquid c...[Details]
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Overview
Electronic pedometers are becoming increasingly popular as health devices. They can easily check the calories consumed by measuring the number of steps, and are popular for the pur...[Details]
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In order to obtain high-power LED devices, it is necessary to prepare suitable high-power LED chips. The common methods for manufacturing high-power LED chips internationally are as follows:
①...[Details]
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Whether it is an automatic or manual model, the gear shifting method has hardly changed significantly in the past 50 years. The shift paddles or gear knob are indeed relatively innovative designs, bu...[Details]
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The rotary engine has always had problems in terms of carbon emissions, fuel economy and post-maintenance. Even a brand like Mazda, which is obsessed with rotary engines, stopped installing rotary e...[Details]