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Small power electric motors need to be 3C certified before they can be sold normally in the country.
Motor 3c certification rules:
The 3C certification of electric motors requires t...[Details]
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1 Introduction
Current source is an important unit in analog and digital integrated circuits . The performance of current source directly affects the performance of circuits and systems. In o...[Details]
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A mass flow meter is an instrument that accurately measures gas flow. Its measured value will not be inaccurate due to temperature or pressure fluctuations, and does not require temperature and press...[Details]
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This article summarizes some online discussions on the differences between J-Link, J-Trace, and Open JTAG, and also adds some of my own understanding.
J-Link, J-Trace, and Open JTAG are al...[Details]
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Transistor measurement is often done in circuit design, especially for those who are new to the field and don't know why they need to be divided into NPN and PNP types. It is even more necessary to le...[Details]
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Malaysia launched a nationwide lockdown on June 1 and was originally expected to lift the lockdown on June 28, but the local epidemic did not subside, and Prime Minister Muhyiddin announced that the ...[Details]
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Linux kernel version number: linux 2.6.39
Cross-compilation tool: arm-linux-gcc 4.5.1
Development board: Friendly Arm Tiny6410
LCD: Friendly Arm S70
Libp...[Details]
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On August 14, according to the list published by the U.S. Trademark and Patent Office on August 13, Apple has obtained a patent related to a "ring", which focuses on linking devices such as Apple W...[Details]
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AT89C51 microcontroller is a microcontroller that we must learn when we study microcontrollers. It is also a textbook for microcontrollers. The following is a method for writing a running light that ...[Details]
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1 Introduction At present, my country's coal production mechanization is developing rapidly. The application of fully mechanized mining equipment is a measure to improve efficiency and safety. One of...[Details]
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Design of a current source that brings the output of an operational amplifier to ground level
The LM324 op amp is an economical choice, especially when you need to apply a ground-level input. The L...[Details]
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On February 10, the China Automotive Power Battery Industry Innovation Alliance released monthly power battery data for January 2023 : China's installed power battery volume was 16.1GWh, a year-on-ye...[Details]
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China Energy Storage Network:
Streetlights not only create the neon night scene of the city, but also provide a safety guarantee. People who run alone at night regard them as companions, and ...[Details]
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New automotive radar test system combines target simulation and radar measurement capabilities for testing autonomous driving technology NI (National Instruments, referred to as NI) recently ann...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]