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There are various classification methods for testing instruments according to their technical characteristics or scope of use. ① According to the parameters being measured, the detection instruments ...[Details]
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;4-digit common cathode digital tube displays 0123
;Digital tube segment code connection method A-PD0, B-PD1....G-PD6, H-PD7
;Digital tube bit code connection method OM0-PC0...COM4-PC3
;Purpose: ...[Details]
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On March 31, Wang Zhonglin, member of the Standing Committee of the Hubei Provincial Party Committee and Secretary of the Wuhan Municipal Party Committee, went to the East Lake New Technology Develop...[Details]
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Introduction: The configuration of AVR fuse bits is a relatively delicate task, and users often overlook its importance or find it difficult to master. Here are some key points and related matters th...[Details]
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DisplayPort has come a long way from being an effort to establish a new external and internal video interface to becoming the next generation PC interconnect and a viable industry standard intercon...[Details]
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Introduction The download program of STM32F103 series chip is mainly through JTAG and ISP (In-System Programming). Among them, JTAG requires a special downloader, which is mainly used for softwa...[Details]
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A common problem encountered in electronic design is the testing of the transmission characteristics of the circuit under test (DUT). The transmission characteristics here include gain and attenuatio...[Details]
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This week, the most watched news in the A-share semiconductor sector was the renewal of the bulk purchase agreement between SMIC and ASML to purchase lithography machines for $1.2 billion. Influenced...[Details]
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Here we introduce a rectifier that uses a 6Pl electron tube for rectification and has an adjustable output DC voltage. The output voltage can be changed from a dozen volts to several hund...[Details]
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Modern living patterns make the safety of family life particularly important. At present, security prevention and alarm systems are important guarantees for ensuring the safety of residences and re...[Details]
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At this point in time, even those who don’t know much about cars will know that electric vehicles are definitely the general trend of the future, and there will be basically no suspense. However, dif...[Details]
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In recent years, with the rapid development of new energy vehicles, energy saving, environmental protection, safety and lightweight will become the main development direction of new energy vehicles...[Details]
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1. Basic knowledge
1.1 Glossary
Bit: A binary number, represented by lowercase b. A binary number is followed by B or b as a suffix.
Byte: An eight-bit binary number, generally repres...[Details]
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The LED phosphor glue preparation procedure is a very basic part of the LED manufacturing process. Let's see how it is done.
Preparation:
1. Turn on and check all LED production equipment (...[Details]
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1. System overall plan 1.1 Overall design diagram As shown in Figure 1, the inverter system consists of a boost circuit, an inverter circuit, a control circuit, and a feedback circuit. The low-voltag...[Details]
Embedded System
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