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For chip voltage regulator diodes 12V with a voltage regulation value below 12V, use the MF47 multimeter to directly measure its voltage regulation value. The measurement method is: set the multime...[Details]
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1. Forward voltage decreases, dim light
A: One is that the electrode and the light-emitting material are in ohmic contact, but the contact resistance is large, which is mainly caused b...[Details]
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Preface
Power supply is essential for almost every electronic product with external power supply, and switching power supply system (SMPS) has become the mainstream structure in digital co...[Details]
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Crazy summer study: Notes on compilation of introductory learning (XI) - middle section
Reference: Assembly Language, Chapter 12 by Wang Shuang
An interrupt is when the CPU receives som...[Details]
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ITECH has recently launched a high-speed and high-performance photovoltaic/solar simulation power supply, which is another key product in the field of new energy testing. It can complete high-perfo...[Details]
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Some time ago, I went to Qingdao to attend TMC's forum on automotive-grade SiC power modules. As mentioned before, in this field, with the conversion from 400V to 800V bus, the SiC industry has becom...[Details]
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Recently, a third-party market research organization released a data report on smartphones equipped with under-screen fingerprint technology in the first half of 2019. In terms of mobile phone brands...[Details]
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The isp made a brief summary. Through online programming (the chip is programmed by continuously resetting the chip while the high voltage is converted), the MCU's flash, eeprom, fuse bits, encryptio...[Details]
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1. Concept In order to facilitate testing and maintenance, a program must have sufficient TRACE capabilities, that is, the program can provide visual information reflecting the execution status whi...[Details]
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Electromagnetic flowmeters are widely used in various industries, such as petroleum, chemical industry, etc. For the selection of electromagnetic flowmeters, the most important thing is the selection...[Details]
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During the COVID-19 pandemic, finding ways to disinfect spaces without adding extra human labor has been a top priority. To help companies clean facilities without putting team members at risk, MIT h...[Details]
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On the afternoon of February 7, the People's Government of Pingshan District signed a strategic cooperation agreement with Shenzhen Yaoshi Lithium Battery Technology Co., Ltd. and Shenzhen Kunpeng Equ...[Details]
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my country's highway tunnel construction is developing rapidly with a large area of highways, and the pressure on tunnel management and maintenance is increasing. The geological conditions of t...[Details]
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1. Necessity Analysis Data communication is becoming more and more important in modern communications, and evaluating the bit error rate is the ultimate standard for judging the performance of the tr...[Details]
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CAN (Controller Area Network) is a communication protocol used in automotive and other industrial applications. The CAN bus uses a pair of twisted wires (CANH and CANL) to transmit data, where CANH...[Details]