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Lego PF Remote NXT Sensor

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Uploaded on Mar 12, 2008

This is my version of the PF Remote sensor made by Dave of

I made this version with a differential input giving one four speed directional output to which I attached a rotation sensor, the rest is programming.

I do not have the RCX style rotation sensors so I used my own optical sensor
It is a simple coloured drum and a light sensor, theres some clever tricks to determine direction but because the sensor relies on full rotations it is a little slow to respond hence the 1 second update (& heartbeat tone)

More at Brickshelf:

Rotation Sensor at NXTLOG:

And the inspiration:


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