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Apple’s new AirPods Pro headphones have been sold out across the entire US network. It is obvious that Apple has successfully created another "explosive" product, and AirPods Pro has become an indust...[Details]
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Previously, we talked about many peripheral parts of 51 MCU, which roughly include some chips and components. This blog post will go into the internal part of MCU - interrupt system. First of all, l...[Details]
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In the measurement of sensitive volt-ampere characteristics and resistance values, the test device usually consists of two parts: a current source and a voltage test device. When researchers use th...[Details]
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At present, there are three main methods for LED to achieve white light: 1. Synthesize white light through the LED red, green and blue three-primary color multi-chip set and light emission. A...[Details]
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Just now, @Redmi’s official Weibo account announced that the Redmi Note 11 series will be released at 7 pm on October 28, claiming that “quick battle, quick decision, full blood in a moment”. ...[Details]
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/*The course design is finally finished, and I always want to share the source code, */
/*So I posted it on 51hei, let's see if there are any problems. If there is anything wr...[Details]
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Comparison of characteristics of various capacitors
Fluctuating current characteristics
Fluctuating current characteristics of various capacitors
...[Details]
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Recently, digital blogger @数码闲聊站 revealed a new color scheme for Xiaomi 10 - Elegant Gray, and said that the color scheme will be launched soon. Judging from the renderings released by the b...[Details]
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The "domino effect" caused by the shortage of 8-inch wafer foundry capacity and price increases is spreading to the entire industry: design manufacturers cannot wait for capacity or face the risk of ...[Details]
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5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it senses
SUPPLY 12V DC @ 50mA
PR1 REF SET
PR2 AUDIO LEVEL SET
Schemat...[Details]
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Input is made through a matrix keyboard and displayed on a single-digit digital tube. #include reg52.h #define uint unsigned int #define uchar unsigned char sbit duanx = P2^6; sbit weix = P2^7;...[Details]
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Recently, the Guangdong Provincial Development and Reform Commission issued a notice on issuing the plan for key construction projects in Guangdong Province in 2021. In 2021, Guangdong has arranged a...[Details]
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On January 5, Genesis received a regulatory letter from the Shenzhen Stock Exchange due to inaccurate disclosure of net profit due to previous accounting errors. It is understood that on October 11,...[Details]
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P4 of C51 MCU (STC11L32/48XE) can be used as normal IO like other IO. As shown in the figure: ...[Details]
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According to foreign media reports, in terms of vehicle navigation, researchers from Nanjing University of Aeronautics and Astronautics, together with partners from Hong Kong and the UK, have devel...[Details]
Analogue and Mixed Signal
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