I believe its already in the works:
http://www.myautopal.com
>-----Original Message-----
>From: Joseph Showalter <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
>Date: Saturday, November 20, 1999 6:21 AM
>Subject: Development challenge...
>
>
>>
>>Does someone need something to develop?
>>
>>Here is an idea/challenge for someone...
>>
>>Make a program and corresponding hardware
>>that would let a palm device display extended gauges and readings from
>>a vehicles computer.
>>Should let you see things like fuel economy, RPM, temperature, whatever is
>>available from the diagnostics cable.
>>
>>Put Palm in special cradle on dash and have "digital or analog" dash!
>>
>>Of course there different vehicle types etc so hardware would vary. And
>>availability.
>>
>>You might even have shops ordering it!
>>
>>
>>Joseph Showalter
>>
>>
>