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Minimum distance of MindSensors IR sensor?
Moderators: mightor, starwarslegokid, miki
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Minimum distance of MindSensors IR sensor?
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Novice
Joined: Thu Apr 17, 2008 6:04 am Posts: 70 Location: Plymouth, Indiana, USA 
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 Minimum distance of MindSensors IR sensor?Hello,
I am getting strange results with the MindSensors IR distance sensor. The minimum distance should be 30 mm. As my sensor moves closer to a surface, after about 170 mm the readings start going up. At an actual distance of 50 mm the reading is about 340. Using the sample program MSDIST-test1 gave exactly the same results as my program. This is MindSensors long range IR sensor (2Y0A02). It's nominal range is from 30 to 1500 mm. RobotC 3.04 MSDIST-test1 from the latest driver suite. File dated: 2011-09-06 13:52:43 Anyone else experience this? Thanks for any help, Dave _________________ Dad (Dave) and Adam |
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| Fri Dec 23, 2011 4:18 pm |
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Moderator   Joined: Wed Mar 05, 2008 8:14 am Posts: 2864 Location: Rotterdam, The Netherlands
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Re: Minimum distance of MindSensors IR sensor? This page here: [LINK] specifies a range of 20-150 cms, which is also what I found in another datasheet.
- Xander _________________ | Some people, when confronted with a problem, think, "I know, I'll use threads," | and then two they hav erpoblesms. (@nedbat) | My Blog: I'd Rather Be Building Robots | ROBOTC 3rd Party Driver Suite: [Project Page] |
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| Fri Dec 23, 2011 4:26 pm |
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Novice
Joined: Thu Apr 17, 2008 6:04 am Posts: 70 Location: Plymouth, Indiana, USA
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Re: Minimum distance of MindSensors IR sensor? Oops, my mistake. I took cm as mm when looking at the documentation.
All is working normally then -except for me.  Dave _________________ Dad (Dave) and Adam |
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| Fri Dec 23, 2011 5:18 pm |
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Moderator Joined: Wed Mar 05, 2008 8:14 am Posts: 2864 Location: Rotterdam, The Netherlands
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Re: Minimum distance of MindSensors IR sensor?
Perhaps a firmware upgrade will fix that? - Xander _________________ | Some people, when confronted with a problem, think, "I know, I'll use threads," | and then two they hav erpoblesms. (@nedbat) | My Blog: I'd Rather Be Building Robots | ROBOTC 3rd Party Driver Suite: [Project Page] |
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| Fri Dec 23, 2011 5:24 pm |
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