Arduino NXT Motor Shield | BrickEngineer: LEGO Design
Ray Mirshahi on Twitter: "I was finally able to 3D print our Lego compatible TimberBot chassis. It utilizes old and new lego components, Arduino Uno, L298N or motor shield, ultrasonic sensor/servo motor.
Shield Arduino Uno & Lego from Make & Play on Tindie
Ruby + Arduino + LEGO® = RuBot — SitePoint
Lego motor shield for Arduino - Make:
Rael's Adafruit Arduino motor shield logo bot 1 | Greg Borenstein | Flickr