My understanding of PD is not deep. I assume the device determines what voltage the PD PS outputs. Not sure why I think the Edge defaults to 12v, I could be mistaken. I will continue to look for the source of my belief. If I find it I will post it here.
I am also not certain how truly universal(standardized) the PD spec is. It must not be 100%, as the PD spec has a fallback setting if negotiations fail.
IDK why your PS is not working with the Edge. Hopefully Khadas Team will be able to find the answer for you.
Note: Khadas is on holiday now…
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