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China's electric bicycle batteries have gone through a process of research, development, improvement and improvement based on the technology of small sealed batteries and starting batteries. As an em...[Details]
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1) Test steps (a) Plug in the power cord of the oscilloscope, turn on the power switch, and the power indicator light will light up. After the scan line appears, adjust the brightness to the appropri...[Details]
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An automotive domain controller is an electronic control unit that integrates multiple functions and is used to manage and control various systems of the vehicle. With the development of automotive e...[Details]
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#include reg52.h
#include intrins.h
#define uchar unsigned char //macro definition
#define uint unsigned int
#define long unsigned long
sbit sound=P2^3; //Buzzer
sbit IR=P1^2; //IS_DATA
uchar ...[Details]
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Mechanical aspects
1. Bearings
The clearance of the bearing on the screw bearing seat is too large after the bearing is worn, or the bearing rolling element and cage are seriously worn af...[Details]
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7 precautions for using liquid flow meters
1. For liquid level meters that exceed a certain length (ordinary type > 3 meters, anti-corrosion type > 2 meters).
2. The installation position of...[Details]
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This is a product brought by Japan's Kyosemi Corporation to the Tokyo Photovoltaic Expo. The transparent solar cells - Sphelar solar cells, transform the traditional dense solar wafers into a grid-...[Details]
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Last year, a fatal accident caused by an Uber self-driving test vehicle had a significant negative impact on the development of the entire industry. In the context of a sluggish capital market, it is...[Details]
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Abstract: Monolithic switching power supply is a new type of switching power supply chip that became popular in the world in the 1990s. This article explains the design principle of constant vol...[Details]
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AGP (Accelerated Graphics Port) is developed on the basis of PCI bus, mainly optimized for graphics display, and is specially used for graphics display cards. The AGP standard has also gone through...[Details]
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Logic analyzer is very important for developers. Now we use STC12C5A60S2 microcontroller to make one.
Download the production data and host computer program: http://www.51hei.com/bbs/dpj-20393-1....[Details]
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1 Introduction
When a major competition is held, the stadium needs to display various game information to the audience in a timely manner so that the audience can have a clear understandin...[Details]
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【Introduction】IGBT7 is Infineon's latest generation IGBT technology platform. The performance comparison between it and IGBT4 has always been a concern for engineers. This article tests FP35R12W2T4 a...[Details]
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The professional IC testing supply chain confirms that international IDM manufacturers are accelerating outsourcing testing, especially automotive chips are supported by foundry manufacturers. It is ...[Details]
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Samsung Electronics released a report revealing that its sales of ultra-large TVs have seen significant growth. In the first three quarters of this year, sales of TVs 80 inches and above climbed 15...[Details]
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