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Line following robot final year project

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samsoltats

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Hi everyone......
I have to design the line following robot for my final year project....
I need help.....
I also a beginner in pic programming....
so may someone help me to write the line following program.....
I am using CCS C compiler, pic16f886.......and used 3 infrared sensor.....and 2 DC motors, digital method not ADC method. Attached is my progress so far, circuits are working... H-bridge, MCU circuit boared and the sensors.
...
i need as soon as posibble please...
 

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  • Final PRo.rar
    46.2 KB · Views: 196

I have some experiment on line following robot for the ABU robo contest. But with AVR. It's easy, too. Hope I can help you. dangson302(at)gmail.com
 

Here is a line follower.
 

Attachments

  • avrrobot.zip
    150.5 KB · Views: 131
  • ponyprog_sch.png
    ponyprog_sch.png
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  • robot_eye_brd.png
    robot_eye_brd.png
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  • robot_eye_sch.png
    robot_eye_sch.png
    8.7 KB · Views: 117
  • robot_main_brd.png
    robot_main_brd.png
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  • robot_main_sch.png
    robot_main_sch.png
    24.3 KB · Views: 125
  • robot_motor_brd.png
    robot_motor_brd.png
    26.1 KB · Views: 149
  • robot_motor_sch.png
    robot_motor_sch.png
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  • robot_rs232_brd.png
    robot_rs232_brd.png
    9.3 KB · Views: 121
  • robot_rs232_sch.png
    robot_rs232_sch.png
    10 KB · Views: 111

Hi, I am struggling with getting the threshold voltage (reference voltage) for the sensors to suite the pic16f887 to recognize as logic zero and logic 1. I am using SENSOR HOA0709-1 with comparator to microcontroller.
I have threshold voltage of 1.6v for white surface and 3.6v for black surface; this does not do any effect as I programmed it to be.
 

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