Subject:
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Re: simple but functional radar
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 14 Jan 1999 09:30:19 GMT
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Original-From:
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Ben Williamson <benw@!ihatespam!pobox.com>
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Viewed:
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3113 times
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On Wed, 13 Jan 1999, Chris Stanley wrote:
> i'm so new to this that i've not yet sat down and learned nqc or botcode or
> the like. radar.prg was written with the basic coder included on your
> mindstorms cd.
Chris,
I built a little RadarBot just like yours (very minimalist, I love it :)
and wrote some NQC code to drive it around my kitchen floor. It really
zooms, until the left wheel inevitably falls off. :)
The program below might help you get started with NQC, which I thoroughly
recommend if you're at all familiar with C syntax.
Cheers,
- Ben.
-------------------------------------------------------------------
Ben Williamson benw@pobox.com http://www.pobox.com/~benw/
#define LIGHT IN_2
#define LEFT OUT_A
#define RIGHT OUT_C
#define SPEED 7
/* connections to both motors are reversed: */
#define L_FWD Rev(LEFT, SPEED)
#define L_REV Fwd(LEFT, SPEED)
#define R_FWD Rev(RIGHT, SPEED)
#define R_REV Fwd(RIGHT, SPEED)
#define STOP Off(LEFT); Off(RIGHT)
#define THRES 50
int light;
task main
{
Sensor(LIGHT, IN_LIGHT);
IRMode(IR_HI);
L_FWD; R_FWD;
while (1==1) {
SendMessage(255);
light = LIGHT;
if (light > THRES) {
L_REV;
Sleep(10);
} else {
L_FWD;
}
}
}
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Re: simple but functional radar
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| (...) I like it, our wheels stay on until it destroys itself by running full tilt into something black... Our design has two motors at the back driving wheels directly, and two free running castors at the sides as close to the front as possible, so (...) (26 years ago, 14-Jan-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: simple but functional radar
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| i'm so new to this that i've not yet sat down and learned nqc or botcode or the like. radar.prg was written with the basic coder included on your mindstorms cd. i'll update my page to mention that. sorry for the confusion! -- Chris Stanley (...) (26 years ago, 13-Jan-99, to lugnet.robotics)
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