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1. Introduction to LM386 power amplifier chip
LM386 is an audio integrated amplifier with the advantages of low power consumption, adjustable voltage gain, wide power supply voltage range, few...[Details]
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The bridge method is also called the zeroing method. It uses the zeroing circuit as the indicator for measurement and has a wide operating frequency. Its advantage is that it can eliminate or weaken ...[Details]
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Earlier this year, some media exposed the concept renderings of OnePlus 10 Ultra, showing the appearance design of this "super cup" series. Recently, the whistleblower @Yogesh Brar revealed a...[Details]
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LED series connection For example, when driving 28 LEDs, there are six possible connection methods. One is to first connect 14 LEDs in series (LED string) and then connect two of these series-co...[Details]
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In order to improve energy efficiency, a new form of energy accounting system called virtual energy account has emerged to handle all power generation and consumption of individuals, families or co...[Details]
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As early as 2014, Nokia launched the Nokia 225 mobile phone. At that time, the official said it was the thinnest "Internet phone" so far. After the product was launched, it was also loved by many con...[Details]
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0 Introduction
LED dot matrix display is a simple Chinese character display, which is cheap, easy to control, and has a long service life. It can be widely used in various public pla...[Details]
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A new version of the Razer Phone 2 has been revealed and it's quite different from the original Razer Phone 2. It may be called the Razer Phone 2.5. The Razer Phone 2 is an incremental upgrade to Raz...[Details]
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Multimeters are commonly known as all-purpose meters or multimeters. They are generally used to measure electrical parameters such as current, voltage and resistance of the object being measured. Som...[Details]
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Virtual oscilloscopes are based on virtual instrument technology, using highly efficient modular hardware and then paired with highly efficient and convenient software. The combination of the two can...[Details]
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This paper implements a wireless call system with simplex voice and data transmission functions based on ATMEGA16L single-chip microcomputer. The voice and data transmission of the master station i...[Details]
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Recently, Guangdong released the latest economic data. In the first quarter, Guangdong's GDP was 2849.879 billion yuan, a year-on-year increase of 3.3%. The added value of industrial enterprises abov...[Details]
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Atomthreads, like many operating systems, calls idle when there is no task scheduling. static void atomIdleThread (uint32_t param) { /* Compiler warning */ param = param; /* Loop fore...[Details]
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Using an oscilloscope probe to measure the voltage between the two ends of a non-grounded component in a circuit can easily cause a ground short circuit. The factors that can easily cause a ground sh...[Details]
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On October 16, the second Midea Visionary Conference was held in Shunde, Foshan. Academician of the Chinese Academy of Sciences and professor of Huazhong University of Science and Technology Ding Han,...[Details]
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