Previously I talked about the Nav Computer used on Viking Star, a Windows based system using SeaClear:
and it continues to work well for us.
But here is this new Raspberry PI environment that for $35 gives an incredible amount of power: http://www.raspberrypi.org/faqs
Launched over last summer, and to be honest just now getting on its feet, this effort is along the lines of the Ardunio except that it focuses more on visual interfaces and hosts Linux.
- $35 - Raspberry PI: http://www.mcmelectronics.com/product/83-14421
- $20 - 8-16GB SD Card
- $200 - 7" Touch Screen LCD: http://www.amazon.com/Sunlight-Readable-Samsung... -OR-
- $319 - 22" Touch Screen LCD: http://www.amazon.com/Planer--Touchscreen-LCD. . .
- $45 - 4-port Serial: http://www.amazon.com/FT4232HL-4-port. . . -AND/OR-
- $30 - USB GPS Hockey-puck: http://www.amazon.com/GPS-Waterproof-Receiver...
- Free - openCPN Software: http://opencpn.org/ocpn/
- Free - NOAA Charts
And this one where he seems to have made some progress: http://www.agurney.com/raspberry-pi
Seems there are still some issues, and you had best be well versed in tech (as with almost any Linux deployment). And not sure if I would ever be happy with the rather sluggish response time of openCPN (See my 1st post linked above) while it updates the display. But IF I was starting our nav computer today this would be high on my look-at list.
UPDATE August 2013 -
I did a quick google search, and found a few links of folks who seem to be making progress. Here are a couple: