:: IR transmitters on the doors. Their outputs are picked up by
:: a centrally-located receiver. If a door opens, its transmitter
:: will no longer be received, as it's now pointing outside the car.
:: Could all be fixed in place with magnets

Well on similar tack, what about flex sensors available form robotics 
builders, glue them to the inside of the doors, they should give a 
different strain reading between shut and open.

Colin
--
cdb, colin@btech-online.co.uk on 2/06/2008

Web presence: www.btech-online.co.uk  

Hosted by:  www.1and1.co.uk/?k_id=7988359





-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist