 | | RE: OmniRemote and Mindstorms Update
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(...) No, it's way simpler than that. The text files on the Palm are source code for Quartus Forth on the Palm. The idea is that the *same* source gets sent to the RCX via the IR link - you can do it now with a serial link, a terminal emulator, and (...) (24 years ago, 7-Feb-01, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | RE: OmniRemote and Mindstorms Update
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(...) Well, actually, the idea was to be able to write Forth source on the Palm and upload it using a terminal emulator from the Palm. If we can integrate the IR into Quartus Forth, then it would indeed be cool to upload firmwarwe and code from the (...) (24 years ago, 7-Feb-01, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | Re: Lght Sensor & Three colors?
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(...) The light sensor doesn't actually "see" colors, it only distiguishes between dark and light. Therefore I have found that using different grey scales is a good way to make distinguishable "colors". Different grey scales can be made by printing (...) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | Re: Lght Sensor & Three colors?
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(...) My card reader 2 reliably reads cards built with yellow, grey and black plates ((URL) problem in brick sorters is that slight modifications of brick positions can cause more variation in reflected light than color. Take care too of specular (...) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | Re: Is an RCX Output Amplfier, possible ?
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(...) (URL) you 6 outputs from 3. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | Is an RCX Output Amplfier, possible ?
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I'm a not an electrical engineer and I couldn't even play one on TV : Ok. That being said, would it be possible to amplify the PWM output from the RCX to run multiple (2-4) motors off a single output connector using an external nicad battery ? Can (...) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | Re: Lght Sensor & Three colors?
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Just a thought: Couldn't one make a "rosetta stone" wheel of the various LEGO(R) colors that uses an angle sensor for indexing them and then just compare the brick being "measured" to the known bricks on the wheel ? It'd be cumbersome, but not very (...) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | Re: Q: Multitasking, and reacting to sensors
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(...) I agree with you here ! no question. Rainer (24 years ago, 7-Feb-01, to lugnet.robotics.rcx.nqc)
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| | Re: Mindstorms for Dummies
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Huh, I hope that "Lego Mindstorms pour Les Nuls" will be soon available in France ;-) Waiting this great happening, I will stay with my Oreilly Unofficial Guide... -- Alexandre BEC laleks@free.fr (URL) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx, lugnet.books)
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| | Re: Lght Sensor & Three colors?
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Le Mardi 06 Février 2001 21:50, vous avez ?rit : (...) I think that the identification of colors can be quite accurate, assuming that we may need spend time for retrieving several sample values from the sensor, and doing thus a kind of average and (...) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | RE: Mindstorms for Dummies
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(...) I felt a bit guilty after I posted my review because it was written with a lot of....well, let's just call it emotion. Rereading my opening phrase I realize there may be opportunity to take it out of context... (...) In case there is any (...) (24 years ago, 6-Feb-01, to lugnet.robotics.rcx, lugnet.books)
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| | Re: Evolvable mindstorms
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Doh!!!!!! www.geocities.com/ciaranjessup (...) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | Re: Evolvable mindstorms
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What's the URL? Jerry (...) (24 years ago, 6-Feb-01, to lugnet.robotics.rcx)
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| | Evolvable mindstorms
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A couple of people have expressed an interest in my Dissertation on evolvable Lego mindstorms Code, now I hadn't intended to publish anything on it until it was complete, but I was trying to avoid working :) So I knocked up a quick (very very dirty) (...) (24 years ago, 7-Feb-01, to lugnet.robotics.rcx)
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| | Re: Q: Multitasking, and reacting to sensors
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(...) Jag redan såg den, jag läser lugnet.loc.se :-) (...) No, not if you do everything in sequence. I'd try this first, because it is simpler. (...) Then it is always multitasking, one task on each RCX. (...) You can make one task for each motor of (...) (24 years ago, 6-Feb-01, to lugnet.robotics.rcx.nqc)
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| | Re: Q: Multitasking, and reacting to sensors
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(...) Ok, I have to admit that I was wrong. But I think most of the time it is the easiest solution to start all the tasks at the beginning and have them run in parallel. And if you want to perform some single action within a task use a (...) (24 years ago, 6-Feb-01, to lugnet.robotics.rcx.nqc)
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| | Re: Lght Sensor & Three colors?
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I'm pretty sure there were no filters involved. This was the basic robot arm that can be built from the 9740(?) Control Lab Starter Set for the Serial Interface Box. She slightly modified it so that there were multiple bins for all of the different (...) (24 years ago, 6-Feb-01, to lugnet.robotics.rcx)
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| | Re: Lght Sensor & Three colors?
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Ben, did this designer use any filters? Or was this simply the response of the LED and detector in the Light Sensor? (24 years ago, 6-Feb-01, to lugnet.robotics.rcx)
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| | Re: Q: Multitasking, and reacting to sensors
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Thanks for the replies, and for the sample programs. I'll try them out soon. I'm building a robotic arm (that's why I chose to reply to this message, not the other, later ones) that I plan to program in NQC. It does not need multitasking to work, or (...) (24 years ago, 6-Feb-01, to lugnet.robotics.rcx.nqc)
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| | Re: DC output at motor max speed with legOS
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(...) So motor_a_speed(MAX_SPEED) is not enough, since it turns the motor off every 256 ms for a single ms? I have an idea how to change the code to make the output really constant, patch attached. A side-effect of this change is that (...) (24 years ago, 6-Feb-01, to lugnet.robotics.rcx.legos)
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