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1. LED color difference problem
The application of a single LED basically does not have a color difference problem, but if many LEDs are put into use together or a lamp has multiple LEDs at the sam...[Details]
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According to a report from iFixit, Apple's latest iPhone 12 smartphones appear to be more difficult to repair by third-party companies. Specifically, if users replace the camera module, it will...[Details]
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Many devices and their control computers use RS 232 standard serial interface for communication. This paper designs and implements RS 232 serial communication data interceptor, which can effectivel...[Details]
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On January 28, the Safety Supervision Department of the State Grid Corporation of China issued the "Notice on Strengthening Safety Control of the Reopening of Power Grids and Urban and Rural Suppor...[Details]
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1. Project introduction A digital thermometer is an electronic measuring instrument widely used in daily life and industry. It is used to detect ambient temperature and convert it into a digital sign...[Details]
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Preface
Today, automotive electronic devices account for a large proportion of the entire vehicle. Although these electronic modules bring comfort and safety to car users, at the same time...[Details]
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In order to save ports, I also changed the 1602 LCD to 595 to drive it. There are 2 files in total. The program has been tested by me. You only need to change the port in your own application.
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The oscilloscope probe is an indispensable part of the oscilloscope. It is mainly used as a link to carry signal transmission, and transmits the signal to be tested to the oscilloscope completely and...[Details]
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Tags: digitization, analog technology, digital technology
1. Introduction
The ability of digital electronics to quickly and accurately collect image, voice and audio data from our...[Details]
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Jiwei.com reported on June 29 that recently, Finnish media SuomiMobiili.fi asked Honor and Huawei who would be responsible for the subsequent support of Honor models previously released overseas as H...[Details]
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This article presents a 5V to 3.3V
power supply
design.
A simple linear regulator can be used for power supplies with normal
current
requirements. Higher current requirements r...[Details]
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Recently, Holitech said in an institutional survey that the Indian smartphone market has strong demand and huge potential. Smartphones are becoming a rigid demand for Indians, with the highest annual...[Details]
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1. Background
As shown in the figure below, when we speak or sing into a microphone, the sound is transmitted to the amplifier through the microphone and amplified. Under normal circumstances,...[Details]
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S5PV210 has 96Kb IRAM and 64Kb IROM. DRAM0 address: 0x2000_0000——0x3FFF_FFFF(512MB) (built-in memory) DRAM1 address: 0x4000_0000——0x7FFF_FFFF(1024MB) (extended memory) SROM address: 0x8000_0000——0xA...[Details]
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Negative polarity output voltage regulator circuit using NPN and PNP tubes to expand output
Figure 1. Negative polarity output voltage stabilization circuit using NPN and PNP tubes to expand the...[Details]
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