I used an ultrasonic proximity sensor attached to a servo to scan in three directions: left, center, and right. The sensor detected objects at a max of 200cm and displayed the objects on the VGA ...

The power system configuration of HydroBot is quite sophisticated. It uses the Horizon H-60 PEM fuel cell as its “engine,” ...

Developed by the research team at the Helmholtz Institute for Renewable Energy Research in Erlangen-Nuremberg, Germany (HI ...