Mini Robot Rover

This is my smallest robot 20x20cm and 9cm hight.
You can control it via WIFI like the other robots but this also has 8 HC-SR04 distance sensors.
The distance will show on the screen (larger red semicircles means the object is closer).

• Steelsquid Kiss OS
• Raspberry Pi
• Seelsquid PIIO Board
• Raspberry Pi Camera
• Mini Servo to tilt camera 
  Connected to the servo controller on the PIIO board
• 4 DC-motors 
  Connected to the small motor driver on the PIIO board
• 8 HC-SR04 distance sensors 
  The ECHO pin is connected to the GPIO_5V on the PIIO Board.
• 9.6V battery pack

Check the video where I drive around the house to find exciting things like cats and dust bunnies :-)

I thought also to use a 4 Channel Infrared Obstacle Avoidance Sensor to detect if a edge is close to the car but that did not work so well. Depending on how reflective the surface was it gave false signals...