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Using the DT890 digital multimeter to test quartz crystals is fast and accurate. The method is as follows:
Step 1: Set the digital multimeter to 20MΩ and detect the quartz crystal for leakage or sh...[Details]
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1 Introduction
The rear stage of the current-type EDM power supply is an electronic load, which continuously chops the output current of the front stage converter during operation. In the ent...[Details]
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The picture below shows a large electrolytic capacitor I used, 450V/470uF capacitor. This capacitor can also use a 450V/330uF capacitor.
The figure below shows the high volta...[Details]
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§01 Ultrasonic Sensor 1.1 Measurement Background The blog post about converting sound into "laser" inspired me to make an ultrasonic linear sound transmitter for classroom (Signals and Systems) exp...[Details]
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Recently, many IGBT projects have been launched. New project progress has been reported in Jiangsu, Zhejiang, and Guangdong. The three projects of Xinjie Energy, Xinmeng Semiconductor, and Xinzhanton...[Details]
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Abstract: Aiming at the requirements of large computational load, high real-time performance and small size of image processing system, a high-performance real-time image processing system with DSP...[Details]
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Vishay's ultra-small proximity sensor consumes only 6.63 µA The device uses a vertical cavity surface emitting laser (VCSEL) with a photosensitive aperture diameter of only 1.6 mm, suitable for con...[Details]
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According to foreign media reports, a team from the Swiss Federal Institute of Technology in Lausanne (EPFL) has brought a new concentrating device. They combined the concentrating device with photoe...[Details]
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Last night, Redmi officially announced the renderings of the Note 9 series in the color of Blue Sea and Stars, and said, "When the tide of the blue sea rises, the heaven and earth are shocked, ...[Details]
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Last year we wrote an article about "3D LCD Instrument", which mentioned the naked-eye 3D instrument installed on Peugeot 2008. This is the world's first mass-produced naked-eye 3D instrument. The...[Details]
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In March this year, Intel's new CEO Henry Kissinger announced the new IDM 2.0 strategy. Since then, Intel has started a large-scale factory expansion plan, and will build wafer manufacturing and pack...[Details]
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As the automotive industry moves toward the concept of semi-autonomous and fully autonomous vehicles, the variety of complex and sensitive electronic systems has increased significantly. From a socie...[Details]
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As the world begins to phase out inefficient incandescent lamps, a large incandescent lamp replacement market has emerged, especially in the European and American household markets, because many inca...[Details]
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I. Overview Many people know that there are BUGs in the hardware I2C of stm32. Now we implement I2C by software simulation timing. Using software to simulate I2C is mainly to facilitate program...[Details]
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Silicon carbide has excellent electrical properties such as high voltage resistance, high temperature resistance, high frequency, and radiation resistance. It breaks through the physical limitation...[Details]
stm32/stm8
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