On Thu, 27 Jun 2002, Alan Shinn wrote: >As others have mentioned, he can spring (or gravity) load the door and >then pull a pin etc. somehow. >As mentioned, using the current radio set, a solenoid (with a diode so >it only pulls on one of the two states) would work. >Also, Radio Shack has lots of RC toys that don't go at all till you push >a button or such so you can ditch the diode. >Also, as far as RC goes, there is a remote doorbell gizmo that even has >settable addresses etc - could be made to work. >Someone mentioned a wire to trigger the solenoid. >BUT, I have to wonder, why not just pull a string? (I know, I know, no >PIC! no electrons even!) How do you make a hummingbird that weighs 2 to 4 grams and hovers with its beak insied a flower without practically touching it pull a string. I think that if it flies into a spiderweb it crashes or gets stuck. These things are SMALL. Think slightly oversized bee when you think hummingbird. Peter -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics