-----Original Message-----
From: Wagner Lipnharski <wagnerl@EARTHLINK.NET>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Monday, July 12, 1999 9:39 AM
Subject: [OT] Speed Sensor


>Does anyone knows some supplier for "speed transducer" to be installed
>at the car speedometer cable?
>My circuit needs to receive a frequency proportional to the car speed,
>and I need to find out ... well... cheap sensors... :)
>
>Thanks
>Wagner Lipnharski
>http://www.ustr.net
>

You could tap the VSS line that runs from the transmission to the computer
on modern cars. That's how the add on cruise control systems work.  I found
the connector pinout for my car online, but I don't remember the address
anymore.

Harold Anderson
Lawton, OK