The motors and sensors interface to the XO through a small PCB, either [http://arduino.cc/en/Main/ArduinoBoardMega Arduino Mega] or [http://www.fing.edu.uy/inco/proyectos/butia/mediawiki/index.php/Usb4butia Usb4butia PCB (PIC 18F4550)]. | The motors and sensors interface to the XO through a small PCB, either [http://arduino.cc/en/Main/ArduinoBoardMega Arduino Mega] or [http://www.fing.edu.uy/inco/proyectos/butia/mediawiki/index.php/Usb4butia Usb4butia PCB (PIC 18F4550)]. |