【前置知识6】电子DIY工具基础Miniware加热台使用方法（与新出电烙铁拓展套件介绍）
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【前置知识5】暴力拆解教你如何选择烙铁头
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Battery store near me shared this method! How to repair 12V drill battery
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DIY led flashlight and Power bank with Bi-Led Projector Lens 60W and Lifepo4 battery
12:21
法拉电容基础知识讲解，超级电容汽车应急启动电源试用
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【前置知识4】新手必看的电子DIY推荐进阶工具2
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Making a Fully Functional Jet Engine from Soda can | diy Jet Engine | homemade Jet Engine
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From Zero to Hero - Repair and Restore Broken 1979 Canon AV-1 Analog Film camera.
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