結果 : how to make a electric circuit board
8:01

How to Make a Circuit Board (Beginner's Guide)

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How To Make a Simple Electric Circuit | Working Model School Science Project

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Build an Electrical Circuit

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The Power of Circuits! | Technology for Kids | SciShow Kids

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How to make electric circuit at home/bulb circuit #easy #short #circuit #bulb #amazing #science

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Design and Build a PCB - SMD LED Learn electronics engineering

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Simple Electric Circuit Working Model

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Open circuit and closed circuit #shorts #scienceworkingmodel #workingmodel #project

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How to make simple electric circuit #short #electronic #circuit

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How to Make Money from ANY Circuit Board

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electric circuit made with bulb , wire, battery and switch. #school project #shorts

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PCB Board Components - 101

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自宅で回路基板を作ろう!

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Switch board with safety pin

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