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Recently, I referred to the 51 infrared remote control signal decoding program on the Internet and wrote a NEC infrared remote control signal decoding program based on attiny13. I would like to share...[Details]
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1. Loop expansion The time it takes to execute a loop depends on the number of times it is looped. Each time the condition is checked in the loop to determine whether to proceed, the performance of...[Details]
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Alexa, can you keep a secret? We are all used to the convenience of smart speakers, such as Amazon Echo at home and voice assistants such as Siri on mobile phones. However, in addition to convenienc...[Details]
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On March 10, Renhe District, Panzhihua City, Sichuan Province held a "cloud signing" ceremony for the 2022 "Green Transformation Industry Doubling" key investment promotion projects. Eight projects i...[Details]
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Working principle of the circuit: The lighting power supply is directly powered by a 220 V AC power supply, and a capacitor is used to limit the current. The VD6-VDs diode branch next to the white L...[Details]
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0 Introduction With the popularity of consumer products such as PDAs, mobile phones, digital cameras, printers, etc., the high-speed data transmission technology used for these devices and comput...[Details]
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In control systems, the I/O port of a single-chip microcomputer is often used to drive other circuits. The relevant data on the driving capabilities of the I/O ports of several commonly used single-ch...[Details]
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1. Software This is probably the biggest difference. The operating system was introduced. Why was the operating system introduced? What are the benefits? 1) Convenience. This is mainly ...[Details]
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Face recognition algorithms have been developed to this day and can be roughly divided into two categories: feature-based face recognition algorithms and appearance-based face recognition algorit...[Details]
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//Digital tube data P0 port, digital tube control P2 port #include #include #include #include #include #define code PROGMEM #define uchar unsigned char #define uint unsigned int code const ucharLED_7...[Details]
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Radio frequency card (contactless IC card) is a new technology developed in recent years. Compared with traditional contact IC card and magnetic card, the contactless IC card developed by radio fre...[Details]
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In order to start the Linux system on the ARM board, a small program called bootloader needs to be run before starting the kernel. The bootloader initializes various devices and then calls the...[Details]
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This verification covers single and multiple precoding matrix indicator test cases, mainly for 16/32 channel transmitters operating in frequency division duplex and time division duplex frequency ba...[Details]
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On December 18, Dun'an Environment stated on an interactive platform that the company's MEMS sensors are currently mainly used in air conditioning and HVAC, automotive air conditioning and air compre...[Details]
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When the integrated operational amplifier is used, if it is an AC application and the output amplitude requirement is not high, or the temperature drift requirement is not strict in DC application, o...[Details]