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1. Tap hand pressure method It is common to encounter the phenomenon that the instrument works well and sometimes not. This phenomenon is mostly caused by poor contact or cold soldering. For this sit...[Details]
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//51 single-chip computer simplified human infrared alarm design, manual button control to achieve emergency alarm, arm, disarm, turn off alarm) // #include reg52.h #define uchar unsigned char #d...[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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Virtual technology is an important aspect of computer applications, and the field of single-chip microcomputers (MCU) is no exception. Virtual technology is a software simulation of real situations...[Details]
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This is a sine wave inverter power module with complete protection functions . It adopts a DC-DC-AC two-stage power conversion architecture. The push-pull DC-DC circuit converts the 24V or 48V DC vo...[Details]
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1. What is the purpose of OTA testing?
Currently, only mobile phone models that have passed the FTA (Full Type Approval) certification test can be put on the market for sale. In the FTA test, the R...[Details]
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On January 15, the open source hardware community Pine64 released a Debian-based smartphone, the PinePhone. PinePhone is more like a microcomputer than a mobile phone. It can be connected ...[Details]
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Recently, foreign media TechDroider released a video, exposing a mobile phone suspected to be Redmi K30, which uses a punch-hole dual camera on the front and a vertically arranged three-camera on the...[Details]
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In order to reduce the size and weight, low-power portable products such as PDAs, handheld computers, pagers and portable measuring instruments are mostly powered by a limited number of batteries...[Details]
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For hundreds of thousands of years, the human brain has been the most powerful computer on Earth. Our brains are an unparalleled evolutionary masterpiece that is capable of logic and reasoning, as...[Details]
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1. Purpose Due to project requirements, it is necessary to realize the communication between the S3C2440 serial port and the PC. Through the serial port communication examples in the experiment manua...[Details]
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1 Introduction
Traditional integrated analog switch circuits such as the ADG211 series cannot meet the switch control requirements of power devices because their contact resistance ranges from tens...[Details]
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1. Motor technology is becoming increasingly mature, and servo motors and stepper motors are the mainstream in the industry. 1.1 After 200 years of technological changes and industrial tempering, mot...[Details]
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Differential Input ADC Characteristics
One of the most common ways to drive a differential input ADC is to use a transformer. However, because the frequency response must extend to DC i...[Details]
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On October 18, the Department of Industry and Information Technology of Shandong Province announced the list of enterprises applying for national manufacturing single champions in 2024. There are 1...[Details]
Analogue and Mixed Signal
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