You can use the USB Gadget framework to make it enumerate to another machine as a keyboard: https://www.google.com/search?q=usb+gadget+keyboard https://www.goo

You can use the USB Gadget framework to make it enumerate to another machine as a keyboard: https://www.google.com/search?q=usb+gadget+keyboard https://www.google.com/search?q=usb+gadget+keyboard You'd still have to wait for the pi to boot, however.