 | | Re: IR-based proximity measurement —Ralph Toepper
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| | | (...) i have downloaded the SerialPing.nqc program hoping to get an easy to use proximity sensor. i have modified it to work with only one light sensor. but it shows always -90 on the display. ok, sometimes -89 too. can anybody tell me, what i did (...) (18 years ago, 9-Jun-06, to lugnet.robotics.rcx.nqc)
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| | | | | Re: IR-based proximity measurement —Brian Davis
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| | | | (...) Well, there were a couple of typos, but only one I found that was critical. If you are using a "max-picking LIDAR" method, you do *not* want to divide by the number of samples. The variable "eyeon" in your code should end up with the brightest (...) (18 years ago, 9-Jun-06, to lugnet.robotics.rcx.nqc)
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| | | | | | Re: IR-based proximity measurement —Ralph Toepper
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| | | | Brian, thanks for your advice. it has told me what is happening physically. i build a one shot measurement program to answer your questions. here is the measurement result: Distance to wall: 26 cm (at night) 7740 7696 7666 7641 7639 7613 7613 7593 (...) (18 years ago, 11-Jun-06, to lugnet.robotics.rcx.nqc)
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| | | | | | Re: IR-based proximity measurement —Brian Davis
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| | | | (...) You're welcome - it's a fun problem. At least partially because it's one of the few times I've had to worry about the speed of bytecode execution under the standard firmware (see below). (...) Given what you are transmitting and how you are (...) (18 years ago, 11-Jun-06, to lugnet.robotics.rcx.nqc)
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