DIY White Light T12 Soldering Iron Upgrade Guide

If you are interested in a DIY white-light T12 soldering iron, you may want to take a look at this article.
If you happen to have a scrapped 616 white-light soldering iron, don’t rush to throw it away; you can reassemble it.
If you happen to have a T12 board, you can turn this scrapped 616 white-light soldering iron into an external power supply for convenient use with a battery pack.

First, use a mini rotary tool to drill the openings.

Separate the aviation connector.

Use a 5.5×2.5 (5525) DC power connector.

You can make a handle yourself.

Then add a switch and combine them.

Power-on works normally.

The handle shell uses a temperature gun housing, and because the internal space of the handle is relatively small, you do not install a vibration switch or an NTC sensor.

Finished. Later, you can add a PD trigger module so it can be powered by a fast charger, and it is still very simple.