I like the power interface boards. What is your source?
I made them. PM me your address, I'll send you some, no charge. I have a few different versions. The latest has a small LED that indicates when the buss has power on it. I'm not convinced that is useful since the mag switch I use has an LED. If I use any other switch I would use the LED board and try to orient it so that it lines up with a hole in the switch band (or wherever).
If someone wants to look at these on a commercial level I'll send my Eagle files to them. I am wary of turning my hobby into a business. I tried that with photography and it about stole all of the joy from my hobby. I got over it though
They are very simple to build. The battery boxes are 3D printed. There's not much to them either. They bolt to the sled and a ty-wrap holds them in place.
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