Car Parking Sensor with Arduino. Here is how to connect a 4-sensor Car Parking Assist device to Arduino, and make it report distances via serial connection.
All Software and Hardware here is Open Source - code, schematics, PCB layout and ideas. Take it and use it in your hobby project!
Pictures that are worth all the rest of the words on this site (except computer code).
Videos of Trackroamer in action:
What makes Trackroamer tick - see, decide, act, move and even talk!
See what's inside Roboreptile and how to make a XXI century scarecrow out of an old security camera.