SSD Booting : low power issue

[Techstyle]

I’m running something like these...

Thanks for this information. It seems that these adjustable bucks are a much better option than the non-variable unit which I currently have:

Is the output of yours constant if the input varies? This is actually rhetorical since I'll be ordering a handful, regardless. A bonus to this is that now I'll be one step closer to emulating your impressive engine sensors as well!

I am using this one, its adjustable:  https://amzn.to/3rvaHif
and I have it connected straight to the 5v and ground pins on the GPIO.  some people say this is not the best practice, as it may bypass some protection but I have had no issues in 2 years, plus I have a 3amp fuse inline with it.  however, you may be better splicing it like you are planning.

All my other peripherals are connected to a 12v usb hub which gets battery voltage - https://amzn.to/32YXCUG, I have 2 of these 

my schematic is attached 

I am also working on an engine sensing project like Boatingbaileys...