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Buzzers are very common devices, divided into passive and active types. Choose different types of buzzers according to project requirements. In recent projects, active buzzers are used. It's still th...[Details]
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0. Introduction At present, the boost circuits used for white light driving mainly include inductive DC-DC circuits and charge pump circuits. Inductive DC-DC circuits have problems such as EMI, ...[Details]
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According to the latest report from foreign media, Apple is stepping up the production of AirPods 2 and AirPods Pro to meet market demand around Christmas. Relying on the huge terminal ecosystem of...[Details]
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The SysTick timer is bundled in the NVIC and is used to generate a SysTick exception (the exception number is 15). (Similarly, anyone who has played with 51 MCUs knows the function of the timer.) The...[Details]
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Because the internal FLASH is used instead of the external EEPROM, the parameters are placed at 0x08000000+320K of the STM32, of which 20K is the bootloader and 300K is the application. Principle: ...[Details]
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Instructions for transferring data between accumulator A and external data memory RAM (4 instructions) These 4 instructions are used to transfer data between accumulator A and external RAM. Use r...[Details]
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There are two timers T0 and T1 in the 51 series of MCUs. There is a lot of information on the Internet. The 52 MCU has one more timer T2 and 128 bytes of RAM than the 51 MCU. The function of timer T2 ...[Details]
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2.3 Extraction principle and simulation of MRS signal
2.3.1 Extraction of MRS signal parameters
The ground NMR water search signal expression is:
Where E 0 is the initial amplitude, ω 0 is th...[Details]
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After long-term joint research, the Tsinghua University research team broke through the physical bottleneck of traditional chips, creatively proposed a new computing framework for optoelectronic fusi...[Details]
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Methods based on statistical classification: (1) Based on the KNN method (nearest neighbor method): use similarity to find k training samples, then score them and sort them by score value. (2) Base...[Details]
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Photoresist, also known as photoresist, is a photosensitive material used in many industrial processes, such as photolithography, which can engrave a pattern on the surface of a material.
Ther...[Details]
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During the periodic inspection of in-service pressure vessels (hereinafter referred to as vessels), non-destructive testing is often used to check for cracks. Among conventional flaw detection meth...[Details]
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Require: 1. Set three scales: bass, middle and treble control buttons; 2. Design the sounds 1, 2, 3, 4, 5, 6, and 7 (Do-Re-Mi method to search for laxity); 3. Be able to play a simple nursery r...[Details]
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With the development of the power industry, people pay more and more attention to the quality of power. The continuity of power supply is an important aspect of power quality, which is particularly i...[Details]
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On November 9, GAC Group responded to investors' questions on an interactive platform and stated that it has initially completed the full-process manufacturing process of all-solid-state batteries,...[Details]
Power technology
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