Re: Mindstorms Sensors

In lugnet.robotics, John Barnes wrote:
> I am looking for ideas for new sensor types that people would like to be able
> to attach to their RCXs.
> 
> I know mobile robots are the most popular building choice for Mindstorms, but
> there have been some exceptional stationary models which may have
> applications for specialized sensors.
> 
> Some choices for mobile robots would include devices like compasses to
> improve the heading accuracy. (I have one or two compasses if anyone has a
> pressing need to try one out.)
> 
> So please respond to this thread or feel free to email me directly if you
> have a sensor idea to explore.
> 
> JB

How about a pressure sensor with a pneumatic hose coupling?  Useful for
replacing the piston-bands-switch type mechanisms (like this one
http://www.davehylands.com/Robotics/Lego/Brute/22-Tank-Empty.html)