This easy to build DIY solder iron is one of my most used pieces of field gear. See what it's made of so you can build your own!

Field repairs suck. But if you have to preform one, do it with class! This is the DIY Solder Hero MK. V. A homemade soldering iron with the full power of a plug-in-the-wall soldering station. It got it’s name by saving the day many times. Its predecessor, Solder Hero MK. IV even fixed a DMX lighting cable in the St.louis football stadium just 30 minutes before the St.Louis Rams players ran onto the field! I love using this thing, and it was too useful not to share the idea. So here it is, a simple DIY design presented for your benefit.

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If you’re looking for the parts I used, search eBay or online for these terms:
4s Battery Protection
LM2596 adjustable buck
Pace Soldering Cartridge

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