This Robot uses two motors control rear wheels and the single front wheel is free. It has 4-infrared sensors on the bottom for detect black tracking tape, when the sensors detected black color, output of comparator, LM324 is low logic and the other the output is high.
Microcontrollor AT89C2051 and H-Bridge driver L293D were used to control direction and speed of motor
Circuit diagram of Robot.
Circuit diagram of Infrared sensors and comparators.
Position of sensors, left hand side is side view and right hand side is top view.
Microcontrollor AT89C2051 and H-Bridge driver L293D were used to control direction and speed of motor
Circuit diagram of Robot.
Circuit diagram of Infrared sensors and comparators.
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