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 Line Follower ROBOT

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Breaker
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Posts : 246
Join date : 2008-10-01
Age : 28
Location : $@ngli

PostSubject: Line Follower ROBOT   Tue Feb 02, 2010 9:29 pm

The robot built with:
1. 2051, L293D.
2. Four IR sensors.
3. Simple circuit and platform.
4. Quick tracking and easy-understand program using C language.

Ready....... GO


use 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. Microcontroller AT89C2051 and H-Bridge driver L293D were used to control direction and speed of motor.


Block diagram of ROBOT Body.


Block diagram of infrared sensors and comparators.


Position of sensors, left hand side is side view and right hand side is top view.

Software:
Software for write to AT89C2051 is robot1.hex ,which was written by C-language ,the source code is robot1.c compiled by using MC51 in TINY model with my start up code robot.asm .MPEG files

Sample of competition between 2051 and 68HC11.

* movie1.mpg (1,303kB)
* movie2.mpg (373kB)
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