
My son was inspired to scare the neighbors.
(Thanks Tom =)
So he has built an autonomous robot rocket launcher (no remote control; he programs it ahead of time, and off it goes).
The runtime program uses various trigger events to move the launch platform, raise the rocket into position (like a slow hydraulic rail, but using gears) and launch it. We are still working on that last part, but I suspect we will use the current from the LED light module to flip a relay to connect a fresh 9V battery to the igniter. And we may need to add the second NXT motor controller for ignition control and a second rocket rail. Should be able to aim in any direction and angle…
It just seems ripe with opportunities for mishap.

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