Originally Posted by HarryT
USB-OTG only works with "low power" devices, so it won't work with an external drive unless it has its own power supply.
I did wonder about that, as the external drives require either being plugged into a computer or into a powered usb hub. Still, if I get the USB-OTG device, I could use it to see my thumbdrives and larger SC cards, etc. Hmm, a toy for my toy.