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This is a very small electronic product, but it is very powerful. It can be easily embedded and installed on the instrument panel. It is suitable for enthusiasts to make or modify old instruments. ...[Details]
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#include reg51.h #include absa CC .h #define uint unsigned int #define uchar unsigned char #define N 128 /*define sampling length, such as 128 points*/ sbit BYTE=P1^0; sbit RC=P1^1; sbit B...[Details]
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1. The C51 program for multiplication and division of integers is relatively large, about 9 bytes, so try not to do multiplication and division.
For example: uchar a=6; a=a*6; the second line ...[Details]
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1.
Introduction
to
thyristors
...
2. Structure and
packaging of thyristors There are two types of packaging: bolt type and flat type
Lead out...[Details]
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5G is gaining momentum, and the 5G millimeter wave (mmWave) frequency band provides abundant spectrum to support extremely high capacity, high throughput, low latency, and an increasing number of 5G ...[Details]
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South Korea's antitrust regulator is investigating allegations that U.S. electric car maker Tesla exaggerated the specifications of its in-vehicle batteries, an official from the Korea Fair Trade Com...[Details]
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Basic circuit topology and operating principle LED drive circuits based on inductive boost switching converters are widely used in the backlighting of battery-powered consumer portable electronic de...[Details]
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Glass rotor flowmeters are widely used in chemical, petroleum, light industry, medicine, environmental protection, food, measurement and testing, scientific research and other departments to measure ...[Details]
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The Xiaomi bracelet has been upgraded again, and 3 new bus cards have been added, namely: Ningbo Yongcheng Pass, Harbin City Pass, and Dalian Pearl Card. IT Home learned that currently ...[Details]
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Some time ago, I sorted out the microcontroller timers I used before. I called them simple timers. This simple timer is more suitable for programs that use less timers. If a large number of timers ar...[Details]
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A new leak suggests that the upcoming Xiaomi Mi 12 Ultra flagship phone may feature a Sony image sensor and may ditch the Samsung sensor found on the Xiaomi Mi 11 Ultra. According to informat...[Details]
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On December 20, according to xiaomiui.net, Xiaomi will release the MIUI 13 operating system on December 28. Generally speaking, the first batch of devices to upgrade to MIUI 13 are high-end f...[Details]
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Advanced manufacturing, no welding, no prosperity
There is a processing technology that we often hear about, but it is not easy to learn. It is easy to get started, but difficult to master. Fr...[Details]
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4.2 LED ceiling lamp shade
The lampshade is usually made of PC board, and its performance is as follows:
(1) Light transmittance: The light transmittance of PC board can reach up to 89%, ...[Details]
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As a non-famous self-media person in the automotive industry, I have noticed that with the rise of domestic new energy vehicles in the past two years, various car companies have also given names to...[Details]