Subject:
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Re: Line Tracker/Follower
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 14 Mar 2000 16:38:10 GMT
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Reply-To:
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(tking@)avoidspam(together.net)
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Viewed:
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997 times
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Kevin, Here's one my granddaughter did. It's
in NQC, but the logic may translate if you're
using the graphical interface. THis is a
little jerky, and she is working on smoothing
things out... and another kid is working on
graphing the light/dark data to automatically
set / change the threshold value.
--
Regards,
Terry King ...In The Woods In Vermont
---( copy )----
//Elizabeth looker robot
#define left OUT_A
#define right OUT_C
#define looker SENSOR_2
#define middle 45
#define FOREVER true
int BlackSeen; // number of times black seen in a row
task main()
{
SetSensor(looker,SENSOR_LIGHT);
BlackSeen = 0;
OnFwd(left + right);
while (FOREVER)
{
if (looker < middle) //Seeing Black
{
BlackSeen = BlackSeen + 1;
if (BlackSeen == 1)
{
Off(left);
Wait(10);
OnFwd(left);
}
if (BlackSeen >= 2);
{
OnRev(left);
Wait(5);
OnFwd(left);
}
}
else //Seeing White
{
BlackSeen = 0;
}
}//end of forever
Off(left+right);
}//end of task
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Message has 1 Reply:
 | | RoboTag
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| Hello fellow LEGO Robotic Architects and Programmers, I am currently taking a course in Artificial Intelligence. An integral part of the course requires an individual project, or better know to us as an integrated research course. For my project, I (...) (25 years ago, 18-Mar-00, to lugnet.robotics)
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Message is in Reply To:
| | Line Tracker/Follower
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| OK, so I am a dunce. My 8th grade robotics class, and myself, can't make and program a line follower that works!!! I tried the one in the amusement park, and it didn't work. We can get it to react to one part correctly, but not to react to both (...) (25 years ago, 14-Mar-00, to lugnet.robotics)
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