If you have been following my series of articles on using a computer in a car and on your motorcycle you know that I am at the stage where I want to try this all out without buying too much new, dedicated use hardware. My plan is to use my existing IBM ThinkPad X31 laptop as a test bed for applications such as Navigation, Music Video, Web Access, Communication (Phone and Email), Personal Information Management and integration of radar, video camera sources. My goals are to test the capabilities of the laptop as a platform for in car/on bike computing and to determine the viability of using these applications in real world scenarios without killing myself with distractions.
This project seems to fall into three major divisions; hardware, software and integration (including vehicle installation). Let’s take a look at hardware first.
Hardware: My laptop has an Intel Pentium M cpu, 512mb memory and a 40Gb hard drive. Memory and hard drive capacity can both be expanded easily. Connections include 2-USB, Serial, Printer, RJ11 and RJ45, Compact Flash and PCMCIA. A docking station provides a CD/DVD reader, and replicates all ports while adding an inch of thickness to the package. The laptop measures approximately 12” long, 10” wide and 1 ½” thick (2 ½” with dock). The system did not come with Bluetooth, but I have added a dongle. The system includes an integrated Wi-Fi card (type) and has LAN support.
As a user interface, this laptop uses a small rubber pointing device in the middle of the keyboard, with small buttons to select right and left “mouse” clicks. I could plug in an external mouse or use a Bluetooth mouse.
Software: The laptop is running Windows XP SP3 and has a pretty full suite of productivity (ha!) applications including Microsoft Office with Outlook.
As configured this system is stable, but seems a bit slow by modern standards. My “other” laptop, and HP is faster but bigger and runs Vista. I am not going to hack up that system this time around.
Integration: As a test, I loaded a copy of a state of the art CarPC front end, CentraFuse to the laptop and am happy to report that it runs great. I am not crazy about the time it takes from system boot to having the CentraFuse main menu load, but so far my investment is $0.00 and total time is 30 minutes! Running this laptop, on my er….lap I can select music to play, pictures to view, vids and DVD’s to play and read my email and check my calendar. I can surf the internet from my house, with wifi access. I can write this article. With a Bluetooth link I can handle phone calls. I’m thinking this is pretty neat, so let’s take this thing out to the car and see how it works.
At the car, I plug the IBM supplied power brick into a DC-AC inverter I bought at Best Buy. This provides 110v AC from the cars 12V DC via the cigarette lighter socket and works to charge the laptop. The laptop boots and runs just like in the house (slow but reliable).
So I am sitting in the car with the laptop on my lap, or rather resting half on the console, holding it with one hand and navigating the application with the other. This is not effective and of course putting it down to drive means I cannot see the screen without looking away from the road. Input is out of the question while underway. This will not work, so I will have to decide on a better interface solution if this is to work.
At this stage, there are two paths to follow. The first is the development and testing of each application including the front end software and each sub application, such as nav, music, etc. While each of these can be made to work with my laptop on the seat system, I doubt I could get a realistic feel for the viability of each with out a better interface. For this reason I have chosen to proceed with getting a touchscreen display to fit to the car.
Touchscreen displays come in many flavors, but the world of car computing seems to have narrowed down the choices to two or three makers and a handful of models. My criteria for selection are; screen size, screen brightness and cost and availability.
Size: For a car the best size seems to be 7” across. Displays from Lilliput and Xenarc are available from $250-$699, with higher prices models claiming brighter (sunlight readable) screens. For the bike I would like a smaller screen, maybe 5” but availability is extremely limited (read expensive).
Mounting: For the car (my car is a 2002 BMW 330i) it is possible, with considerable work, to install the touchscreen into the dashboard for a very integrated, factory look. Other cars may have similar options, and this usually requires purchasing or fabricating a custom bezel (surround) for the screen. For those too squeamish (or sensible) to hack their cars up, the screen can be mounted in front of the dash using any number of car mount systems from providers like RAM Mounts.
Now the fun part, mounting a touchscreen to a motorcycle. At this time I have a BMW K1200GT. I have a GPS mounted at the center of the handlebars, where I can see the screen by taking my eyes off the road to look down. Anything more than a minor screen touch invites disaster, don’t ask me how I know (DAMHIK). For more on this subject see my first article “Who is the Connected Rider?” section. What I plan to do with the motorcycle mount is: Use a RAM mount to place the touch-screen right over where the clutch fluid reservoir is. Bikers have been using this area for years to mount GPS, Satellite radio and other electronics. This location allows easy access without taking hand off throttle. Using the right length extension arm on a RAM ball mount puts the screen in your field of vision. Getting it so that you don’t obscure your rear view mirror view or too much of the instrument cluster will require some testing.
Another consideration is shock and weatherproofing. I don’t yet have information on these for the target devices. I suspect a large plastic bag needs to be handy in case of a sudden storm, and a quick release of the whole thing wouldn’t be a bad idea too, especially when leaving the bike or car exposed.
In my next article I’ll report on results of touch screen testing and detail my plans for the first phase of applications.
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