In the US, you can purchase these products from http://www.pldstore.com
The DCP sensors need an adapter for $55 to connect them to the RCX. The
different sensors are in the $55 - $195 range. These are not Lego products,
BTW.
The capacitor is used with the solar cell to store electricity.
(...) private persons. Maybe I'm going to inform in Belgium and Germany (mailorder). Does anybody have any tips on this? Grtz., Remko (23 years ago, 28-Jul-01, to lugnet.robotics)