Meet the BIKEHUD Adventure: a head-up display system that helps motorcycle riders view critical data without getting distracted on the road. It wirelessly integrates with your existing equipment. It has a monitor that fits inside your helmet to keep you aware of your speed and direction. The electronics and battery are housed in a weatherproof case.
BIKEHUD is mostly an automated solution, but you get a keypad to interact with it. More information is available on Kickstarter.