Here's my first attempt to build a ultrasonic bot with lego technics. I tried a lot of electronic motors, but the pinions where not compatible to the lego pinions. So i bought a lego 9V motor.
Here's my first attempt to build a ultrasonic bot with lego technics. I tried a lot of electronic motors, but the pinions where not compatible to the lego pinions. So i bought a lego 9V motor.