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How to make a simple pencil welder at home with 3 9 volt batteries wired in series so as to increase the voltage from 9 volts to 27 volts. Learn how to make a simple pencil soldering iron at home.

The Things I have Used :
1. Pencil
2. Shaving Blade
3. Some Wire
4. Power Supply: 3 Duracell 9 Volt
5. Simple Tools

Thanks For Watching hope you enjoyed today’s practical invention.