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 | | Re: Type conversion.
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| (...) Hi, what you want to do is called type casting,ie. you must explicitly specify the type. I've included some sample code that uses it. Because the beeper function expects a float but the knob function returns an integer, you have to modify the (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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frequency
(score: 1.726)
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| | Re: IR outputB
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| Is the IR reciever on the HB the same thing as in the robot in MR:ITI book? I though it would be different. In any case, you can but...the reciever is more effective as a "wireless communication" device that can recieve various IR codes which you (...) (26 years ago, 24-Feb-99, to lugnet.robotics.handyboard)
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frequency
(score: 1.725)
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| | Re: windows CE
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| (...) My current project (at work) involves both IRDA and IR-remotes. So this ties in with the RCX stuff to a great extent. The IRDA standard does not use a carrier frequency. The IR led is pulsed for a portion of a bit time on a standard serial (...) (26 years ago, 3-Mar-99, to lugnet.robotics)
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frequency
(score: 1.724)
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frequency
(score: 1.719)
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| | Re: Ir transmission
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| (...) The bytecode interpreter does it, which is what NQC maps to (opcode 43). I'd prefer a timer (or access to a clock) with millisecond resolution rather than a delay because things will get interesting whan multitasking. What is the CPU clock (...) (25 years ago, 16-Apr-99, to lugnet.robotics.rcx.pbforth)
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frequency
(score: 1.716)
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| | Wireless communication with the Handyboard
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| Hello, I've been very busy trying to communicate with the Handyboard via a wireless link ( HP Development kit form Linx Technologies). I have run into a slight problem- The kit comes with 2 "development boards" - each contains a transmitter, (...) (25 years ago, 16-Apr-99, to lugnet.robotics.handyboard)
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frequency
(score: 1.716)
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| | Re: Mobile Robot Question
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| (...) Can anyone answer all that? I think the answer is "it depends". Unfortunately it depends on so many variables that you'll just have to implement one system at a time, checking each thoroughly and modifying as you go. Make sure to go back and (...) (25 years ago, 21-Apr-99, to lugnet.robotics.handyboard)
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frequency
(score: 1.714)
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frequency
(score: 1.714)
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| | Re: handyboard clock speed
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| (...) From the data books for the 68HC11, if you have any version of the E-series (except for perhaps one, a low-power version?), you can run them at up to a 3MHz E-clock (12MHz crystal). I haven't looked at the rest of the handyboard schematic with (...) (25 years ago, 23-Apr-99, to lugnet.robotics.handyboard)
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frequency
(score: 1.714)
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frequency
(score: 1.713)
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| | Re: [DISC] Shortcircuit eBay?
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| Larry, I realize that this has been hashed out before, but I must put this in: The reason that it doesn't work is that you don't know how much you have to spend until the auctions close and whether or not you bought something and drained your bank (...) (25 years ago, 27-Apr-99, to lugnet.market.auction)
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frequency
(score: 1.713)
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| | Re: IR Tower range
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| (...) Tim, I haven't done any precise experiment about the effective range. In my experience, the actual range depends on many factors: - the orientation of both the IR tower and the RCX - reflecting surfaces in your room - interferences I'd say in (...) (25 years ago, 25-May-99, to lugnet.robotics)
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frequency
(score: 1.708)
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| | Re: Questions (possible spoiler)
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| Richard Dee <richard.dee@virgin.net> wrote in message news:MPG.11cb7503e6b...net.com... (...) Yes, some do. But others, like your TV, radio, and CBs do not. They just recieve messages over the airwaves. It may be that you are right and this is what (...) (25 years ago, 12-Jun-99, to lugnet.starwars)
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frequency
(score: 1.705)
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| | Re: Questions (possible spoiler)
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| Once upon a time, (on Fri, 11 Jun 1999 03:48:29 GMT, to be precise!), Terry K uttered the following profundities.... (...) Okay. Some communication devices talk to each other, despite there not being any particular response by the other party? Do (...) (25 years ago, 11-Jun-99, to lugnet.starwars)
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frequency
(score: 1.705)
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| | Re: Questions on paying/receiving internationally
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| Once upon a time, (on Sat, 12 Jun 1999 22:42:02 GMT, to be precise!), Larry Pieniazek uttered the following profundities.... (...) Depends on the frequency of large requests. A one-off, never to be repeated 300 dollars (1) would be the max for me (...) (25 years ago, 17-Jun-99, to lugnet.market.shipping)
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frequency
(score: 1.705)
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| | Re: Inductor
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| Denn: If I am not mistaken, and please correct me if I am wrong (anybody), but I think the inductor is in the circuit to protect the NiCd battery pack and rest of circuit against possible reverse electro-mechanical induction by the DC motors. Motor (...) (25 years ago, 15-Jun-99, to lugnet.robotics.handyboard)
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frequency
(score: 1.704)
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| | Re: What is RPM of Gear Motor???
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| My memory is a bit fuzzy here since it was a while back, but according to my notes... * sensors are sampled every 3ms * rotation sensor is a quadrature encoder with a 4:1 gearing in front of it (one rotation of the axle yields 16 "ticks"). * sensor (...) (25 years ago, 7-Jul-99, to lugnet.robotics)
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frequency
(score: 1.700)
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| | Re: What is RPM of Gear Motor???
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| In article (...) 650 ticks per second works out to about 1.5 ms per tick. I didn't think the RCX sampled inputs that fast - I thought it was 3.0 ms per sample. If so, this would mean that the RCX is capable of adding 2 to the rotation value during a (...) (25 years ago, 13-Jul-99, to lugnet.robotics)
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frequency
(score: 1.699)
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| | [MindStorms FAQ 4.5 How do I make a sound sensor?]
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| Subject: 4.5 How do I make a sound sensor? Content-Language: en Topic-Level: 0 Revision: Robert Munafo, 1999-07-14 Location: /robotics/rcx/ Comment: Topic-level is inaccurate pending a reference for topic levels <p>A rather complex circuit is (...) (25 years ago, 14-Jul-99, to lugnet.faq)
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frequency
(score: 1.699)
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| | Re: A RCX 'Beacon'
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| (...) Brian, I share your dream. It's a great idea. Surprisingly enough just this morning I wrote an email to Al Thiele asking for the same thing. I'm obsessed by the problem of knowing the robot position. I had some success experimenting odometry, (...) (25 years ago, 29-Jul-99, to lugnet.robotics)
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frequency
(score: 1.696)
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