Robodisk Line Follower Robot Video

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This is my first line follower robot:
Sensor : 5 photodiodas sensor
Motor : Modified motor servo
Microcontroller : Atmel AT89S52
Motor Driver : L293D
Comparator chip : LM324

View the video from youtube.

I’ve build the second line follower robot using 7 photodioda sensor and microcontroller AT89S52… the movement is quite fast and running smoothly…

The third line follower robot has been built using 7 photodioda sensor, microcontroller ATMega8535 and motor driver L298N… already running OK but need suit DC motor to make the movement faster…

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