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The 8th China Information Technology Expo (CITE 2020) will be held at the Shenzhen Convention and Exhibition Center from August 14 to 16, 2020. It has been one year and three months since the last Ch...[Details]
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Figure 1 PWM logic circuit and output circuit
In Figure 1, V8 is the oscillation pulse generated by the oscillation circuit, and its duty cycle is 50%. The pulse determines the operating fr...[Details]
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On August 28, the country's first modular molten salt energy storage project for peak and frequency regulation of thermal power units independently developed by China Huaneng was successfully put i...[Details]
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Redmi 9 has now been officially released in Spain, equipped with a MediaTek Helio G80 processor, 4GB LPDDR4x memory and 64GB storage, priced at 179 euros (approximately RMB 1,438.9); the 3GB+3...[Details]
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Figure 1 3D movie "Avatar"
Figure 2 3D TV/3D monitor
Figure 3 3D brain function DTI image display
Figure 4 3D reconstructed imag...[Details]
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In recent years, the competition in the home appliance industry at home and abroad has been fierce, and high-end home appliances have become the focus of many electrical appliance giants. With the...[Details]
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How does EMI cause large DC deviations? It may be one of the following situations: According to the design, many instrumentation amplifiers can show excellent common-mode rejection performance in t...[Details]
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1. Solar panels and battery parameters The main parameters of solar panels and batteries that need to be measured are: • Open circuit voltage (Voc), the voltage of the battery when there is no curren...[Details]
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Introduction: The timer consists of an 8-bit auto-reload up-counter with a programmable prescaler. It can be used as a time base generator with overflow interrupt function. The main function: (1) 8...[Details]
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Smartphones, smart homes, smart hardware, with more and more smart devices in our lives, electronic waste has also become a headache. Hardware devices now have a more efficient iteration speed, and e...[Details]
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On November 2, local time in Portugal, CALB announced the layout of its industrial base in Europe. On the same day, CALB and the Portuguese government signed a memorandum of cooperation in Sines, C...[Details]
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1 Introduction
Embedded systems are widely used in the fields of control and communication. These systems run at high speeds and are complex, often integrating ultra-large-scale FPGA ...[Details]
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1. What should you pay attention to when using a megohmmeter to measure insulation resistance?
When measuring the insulation resistance of equipment, the power supply must be cut off first. Equipment...[Details]
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The sound of the active buzzer is fixed, the working voltage is constant, and the on and off time of the power is changed to obtain sounds of different durations, such as continuous sound, fast short...[Details]
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The integrated voltage regulator parallel current expansion circuit is shown in the figure:
Note: In practical applications, it is best to use the same manufacturer and model of voltage stabiliz...[Details]
Discrete Device
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