Loop key/ on off switch

[BillGordon]

Here’s a guide to making them yourself:

How to make a XT90 Loop key

Hey guys, i have not seen a dedicated thread for a loop key tutorial so since i was making a couple yesterday, i decided to snap pics of how i did mine. What are loop keys? Loop keys are a budget friendly option for an on/off switch for your board. It’s also a physical disconnection of your circuit and is proven to be the most reliable switch alongside the AS150 connector. Some antispark switches may eventually burn out or have other issues like a small current draw which eventually drains yo…