Here’s a quick tip for soldering a 40-pin GPIO connector to a Raspberry Pi Zero or Zero W. While it’s not a difficult solder job the problem many folks have is getting everything aligned and held together while you do the soldering.
In this article I’ll show you a trick I use to make this job a lot easier. And unlike some other methods this one won’t sacrifice a solderless breadboard
So warm up the soldering iron and get ready to add a GPIO header to your Pi Zero!