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fox and hound - build steps 21-29

Remove the bush and axle to allow the ultra-sonic sensor to rotate. This makes it a lot easier to plug in the cable.
When the cable is attached and the ultra-sonic sensor has been rotated back to its normal position, replace the axle and bush. The long grey pin is positioned to prevent the cable from accidentally rubbing on the gear.
Coiling the cable from the touch sensor under the NXT is a bit fiddly and takes some patience. It is easier if you temporarily remove the sensor from the NXT.
FINISHED!