 | | A few questions.
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Can the motor outputs be used to close a relay instead of running a motor? As an example to control a motor that needs 120v AC? As far as the inputs go, are the digital inputs for switch type sensors (high or low value only), and the analog inputs (...) (24 years ago, 27-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Sonar
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The hardware is limited to 31.5' (~ 10 meters). The limitation is on the design of the receive amplifier's gain module (and noise floor). Generally scaling this to an integer of 32767 results in a precision of just over 1 tenth of an inch (or 1/3 (...) (24 years ago, 26-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Sonar
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(...) Martin, I noticed a similar result as well. Maybe someone else can say for sure, but I seem to remember that there may be a way to slow down your interrupt counter, so that it won't overflow (a timer setup register). I don't have my 'HC11 book (...) (24 years ago, 26-Mar-00, to lugnet.robotics.handyboard)
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| | Re: sonar mapping with evidence grid
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(...) Yep, about 30 degrees. There's a pretty good article about how to deal with it on the Seattle Robotics Society web site: (URL) it out before somebody decides to delete it! One thing they don't really discuss in the article is how much extra (...) (24 years ago, 26-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Sonar
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(...) That sounds correct. Someone else asked about that last year. Try searching the mailing list archives. The problem is not just that the result is an integer, but that it's a signed integer. You effectively only get 15 bits of information out (...) (24 years ago, 26-Mar-00, to lugnet.robotics.handyboard)
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