Mini toys on MSN21d
Navigating a LEGO Motion Tracker Without Getting Hit
A LEGO Mindstorms NXT system is transformed into a motion-tracking challenge with ultrasonic sensors guiding its precision. Initially, the tracker follows horizontal movement, refining sensor ...
Hackaday2y
Lego Guitar Is Really An Ultrasonically-Controlled Synth
The heart of the build is a Lego Mindstorms EV3 controller ... The EV3 controller detects the position of the slide via an ultrasonic sensor, and uses this to determine the fret the user is ...