Ok this is ridiculously cool. I need to get one 
Question Johan (I asked similar about USBridge yesterday).
How is the Digi One powered? Can you power the board directly? Or powered via the Pi?
With one of your competitor’s products, some of us (not all) found that soldering a header to the HAT and powering the board directly made an improvement.
Just wondering if this option is available with DigiOne also, (like the USBridge)
Cheers! 