line follower robot

17 years 11 months ago #6493229 by b747
line follower robot was created by b747

i have AX2550 can any one give me any ideas how can i make a line follower robot using this speed controller without any guidance ???

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17 years 11 months ago #6736544 by cosma
Replied by cosma on topic Re:line follower robot
<P style="MARGIN: 0px">You would normally need an external microcomputer (Basic Stamp or other) with the sensors on one end and connected to our controller on the other.
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<P style="MARGIN: 0px">You may be able to do a crude line following robot by settintg the controller in Mixed mode and Analog Command mode.
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<P style="MARGIN: 0px">Then, use two photo resitors side by side. Make the following connections:
<P style="MARGIN: 0px">- ground to pin1 of photoresistor1
<P style="MARGIN: 0px">- pin2 of photoresistor 1 to pin1 of photoresistor2 and to the controller's analog input 1
<P style="MARGIN: 0px">- pin2 of photresistor2 to +5V
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<P style="MARGIN: 0px">With the proper lighting and line marking, you could cause the voltage at the analog input to move closer to ground or 5V as one sensor gets more light than the other.
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<P style="MARGIN: 0px">The system may not be all that stable and you would still need to worry about controlling the throttle.
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