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0 Introduction
The LED display screen is mainly composed of three parts: current drive circuit and LED dot matrix array, control system and PC management software (Figure 1). The control system...[Details]
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According to foreign media reports, engineers from the University of Texas at Austin and the University of Virginia have developed a new light detection device that can quickly amplify weak signals r...[Details]
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Special topic: Micron's 176-layer 3D NAND technology & 1α DRAM technology On November 9, 2020, Micron Technology announced that it had become the world's first company to launch the fifth-gener...[Details]
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Sina Digital News reported on the morning of December 4 that Apple analyst Ming-Chi Kuo reported that Apple plans to replace the iPhone with AR devices within 10 years. There are a lot of r...[Details]
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In order to meet the requirements of regulations such as ENERGY STAR and consumers' desire to reduce carbon emissions, power electronics product design teams are constantly working to improve system ...[Details]
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Abstract: The oscillation generated by high-frequency switching has a certain impact on digital sampling. Taking the Boost PFC circuit as an example, the affected range is analyzed, and then an imp...[Details]
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The chill that swept through the consumer electronics market quickly spread to the chip market, turning semiconductor manufacturers from "not making enough" to "unable to sell." From "chip shortage" ...[Details]
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According to foreign media Windows Latest, Microsoft's next-generation flagship laptop Surface Laptop 4 (tentative name) has passed the certification of the Bluetooth certification agency SIG. Source...[Details]
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With the advent of high-brightness blue LEDs, white LEDs can be easily obtained by combining phosphors with blue LEDs. Currently, white LEDs have become the main backlight source for portable inf...[Details]
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Today, Zeng Xuezhong from Xiaomi Mobile Phone Department posted a Weibo, and netizens discovered that the last line of Zeng Xuezhong’s Weibo post was about a new mobile phone, which might be an...[Details]
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18B20 thermometer, positive and negative temperature display. Maximum 99 degrees Celsius. Manually soldered with a universal board. Successfully debugged, normal display. Common anode digital tube dr...[Details]
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In the previous article , we have introduced how to monitor circuit board temperature. However, power management in high-performance processors such as central processing units (CPUs), graphics pro...[Details]
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CA6543 is a fully automatic, 1000V, electronic insulation resistance tester that can measure insulation resistance up to 4TΩ. It can measure voltage and capacitance at the same time, and automaticall...[Details]
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Today's experiment uses the FIFO interrupt of UART0~~ Receive data sent from the virtual terminal~~ Here the depth is set to 8~~ Then send it back~~ But~~I can't send it back~~Fuck~~ Let's leave this...[Details]
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introduction
CMMB (China Mobile Multimedia Broadcasting) is China's first mobile broadcasting and television standard with independent intellectual property rights for mobile terminals. It is a...[Details]