How to make a USB soldering iron| use resistor,| USB soldering iron making at home# 100% Working
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Unlocking The Secrets Of Soldering! Put Salt On Soldering Iron and Amazing Results
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How to make a USB soldering iron at home, easily|| Usb soldering iron making||
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How To Make Rechargeable Soldering Iron Using a 1.5 Ohm Resistor || How To Make DC Soldering Iron
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How to make a simple welding machine from SPARK PLUG at home! Inventor innovation
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cara membuat solder mini portabel sederhana
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