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The AC/DC regulated power supply is a linear DC power supply with stepless adjustable voltage and current, and the voltage regulator and current regulator switch automatically. The DC output voltag...[Details]
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Factors affecting basic iron loss
To analyze the problem, we first need to know some basic theories, which will help us understand. First, we need to know two concepts. One is alternating magn...[Details]
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Introduction: First of all, it should be noted that the functions of PI current regulator and deadbeat current prediction controller are to obtain voltage reference command as the input of pulse wi...[Details]
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This is an enhanced version of a simple garage/shed alarm. The entry and exit delays have been increased to about 30 seconds - I have added a timed siren cut out and automatic reset. I have a...[Details]
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On December 1, the GTIC 2020 AI Chip Innovation Summit opened at the Beijing National Convention Center. With the theme of "Embracing the Core World and Creating a New Future", the summit focused on ...[Details]
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The base station transmission system is an important part of the mobile communication system, and its performance has a crucial impact on the overall mobile communication quality. According to the ...[Details]
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On September 2, Wuhan Optics Valley Intellectual Property Alliance Management Co., Ltd. was awarded the TISC license. It is one of the second batch of 10 pilot construction units established in China...[Details]
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Recently, Xiaomi announced an important parameter of Xiaomi 12 Pro: it adopted the second-generation LTPO display for the first time, realizing intelligent dynamic refresh rate adjustment, whic...[Details]
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When protest marches escalate into riots and destruction, the original intention of expressing demands has changed. Stores were smashed and products were stolen. In addition to closing the stores u...[Details]
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This is a repetitive timing circuit (also known as a dual timing circuit or a bidirectional timing circuit) composed of a 555 time-based integrated circuit. The so-called repetitive timing circuit ...[Details]
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With the discovery of society, high-tech products have now covered every bit of our lives, and the widespread application of electronic components can be seen everywhere in our lives and work. Beca...[Details]
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) 10uf electrolytic capacitor 18) 30pf ceramic capacitor * 2 19) 12M crystal oscillator 20 ) self - locking switch * 2 21 ) DC power socket 22 ) several wires 23 ) USB power cord or bat...[Details]
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Summarize the problems encountered before:
1. For similar problems:
mtd- read(0x44 bytes from 0x68cf44) returned ECC error
jffs2_get_inode_nodes(): CRC failed on node at 0x0068c684: Rea...[Details]
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Now no one asks "
how far away are we from 5G
" because we are already in it. According to the "2021 China Mobile Economic Development Report" released by GSMA (Global System for Mobile Com...[Details]
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According to the working mode of UPS, it can be divided into online UPS and offline UPS. Offline UPS is also called post-type UPS, which can also be divided into sine wave output, square wave outpu...[Details]