My current setup is the tinkerboard powered by the raspberry pi universal adapter connected to ethernet and a external HDD(Maxtor M3) powered by the Tinkerboard's usb. I have used it very lightly in this configuration (ssh-ing into it and copying some files to the hdd) but from what I have gathered from the information available here this powering setup is inedequate and will lead to problems. So I want to follow the recommended method and power it through the GPIO pins. I am considering us