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1943 Audio Amplifier
War or no war, this family was wired, thanks to an audio amplifier featured in the May 1943 issue of Popular Mechanics magazine. As you can tell from the stickers on their...[Details]
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The external structure of the microcontroller:
1. DIP40 dual in-line socket;
2. P0, P1, P2, P3 four 8-bit quasi-bidirectional I/O pins; (When used as I/O input, high level must be ou...[Details]
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Recently, the Standardization Working Committee of the China Electronics Society successfully held the "First Standards Discussion of the Green Computer Standards Working Group of the China Electroni...[Details]
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On November 21, MediaTek and AMD launched the first series of products of the industry-leading Wi-Fi® solution jointly developed by the two parties: AMD RZ600 series Wi-Fi 6E module, including MediaT...[Details]
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The phosphors used in white light LEDs are Nichia 's patented YAG and OSRAM's patented TAG. The following will introduce the two phosphors and their patent relationship. YAG is mainly Y3Al5O12:...[Details]
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With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes ( LEDs ) have become an alternative lighting technology and are gradually being used in lighting b...[Details]
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Power loss is an important part of the performance evaluation of switching devices, and it is also an advanced function that engineers focus on when selecting. Although many laboratories are equipped...[Details]
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The system clock source is an oscillator composed of a resonant circuit composed of a quartz crystal and a capacitor connected to the ATmega16 pins XTAL1 and XTAL2, and the oscillator source formed b...[Details]
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Is chip manufacturing a road to freedom or a road of thorns for mobile phone manufacturers? Apple, Samsung and Huawei have become the "three musketeers" of the industry, creating the height of "chi...[Details]
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According to news Xiaomi will launch a dual-folding screen phone in the second quarter of 2019. The folding method is different from Huawei and Samsung, with symmetrical double external folding, that...[Details]
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As a semiconductor device, the life of LED lamp beads is more than 50,000 hours. However, electrolytic capacitors are commonly used in LED lighting drive solutions, and their life is only 5,000~10,...[Details]
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Windshield wipers are a must-have for cars, whether it is raining or snowing, their role cannot be underestimated. However, traditional windshield wipers often have some unpleasant experiences during...[Details]
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1. What is ground resistance? Ground resistance is the resistance encountered when current flows from a grounding device to the earth and then flows through the earth to another grounding body or spr...[Details]
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According to businesskorea, South Korean telecom operator KT will apply blockchain technology to IoT security and regional currency projects. In addition, the company will also enter the blockchain s...[Details]
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CAN (Controller Area Network) is a communication protocol used in the automotive and industrial automation fields. It has high reliability, real-time performance and flexibility, and is widely used...[Details]
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