Concept: WatchBot1
The WatchBot1 patrols your precious Lego sets while you are
away and sets off an alarm to your device when one has gone missing.
It does this by using two EV3 color sensors and an intelligent
brick. The one color sensor is facing
downward which will allow the robot to follow a track that you set in front of
your sets. Then you put colored cards behind your sets and if the set is
removed then the other colour sensor will detect the colour card, setting off
an alarm.
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