This thesis concerns an automatic car control along the way in real condition. The reportproposes the construction of the way model and electronic parts such as DC motor drive circuit, sensor circuit. All hardware circuits link to the computer by interface circuit and controlled by solfware. This thesis concerns an automatic car control along the way in real condition. The reportproposes the construction of the way model and electronic parts such as DC motor drive circuit, sensor circuit. All hardware circuits link to the computer by interface circuit and controlled by solfware.