 | | Re: Sensors
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Mail-Thuis <lego-robotics@crynwr.com> wrote in message news:4.3.2.7.2.20010...kom.net... (...) No it is not correct. All three ports are equal. (...) use (...) Yes. Visit (URL) for a lot of information on RCX sensors. (25 years ago, 29-Jan-01, to lugnet.robotics)
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| | Sensors
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Hi, I have a RCX 1.5 and would like to have some information. 1) Is it correct that only port 2 can be use for the light sensor ? 2) And only ports 1 and 3 for the touch-sensors ? Can I use microswitches and some resistors to make an array which i (...) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | Re: Two more for the wish list
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A few months ago I built a model of two synchronized metering pumps, one for nitro-goo and one for glycerine-goo. The idea was to have both pumps synchronized. I did it with a differential and a rotation sensor to mark the difference and a (...) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | Re: Two more for the wish list
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(...) Yes - but if you've been following the discussions about dropped counts, you'll know that the standard rotation sensor is pretty inaccurate when you set it up like that. It likes nice *fast* rotation rates. (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | Re: Two more for the wish list
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Matthias, this is easy to do without a new part. You use a normal differential, put one shaft in one side, the other shaft (but reversed) in the other and connect the rotation sensor to the output. You get a positive count if the right wheel is (...) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | LEGO Solar Cell (Was 'Re: New Pitsco Catalog')
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The solar cell is included in the LEGO Dacta eLAB Renewable Energy Set (#979681; Pitsco 2001 page 50), and is clearly pictured being used to power a standard 9V LEGO motor with internal gear reduction, in a simple tri-wheel mobile platform. The (...) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | Re: UK List
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The joint lego robotics (lego-robotics@crynwr.com) and lugnet.robotics@lugnet.com and the related lugnet ones eg technic etc ----- Original Message ----- From: Ciaran To: Peternewmancl@hotmail.com Sent: Monday, January 29, 2001 12:44 AM >>Hello All (...) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | A British list
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Hello All I notice many comments on this list refer to US things, is there a UK list Peter Peternewmancl@hotmail.com (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | Re: New Pitsco Catalog
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(...) While I can't see it being used for Lego, given the current required to run the motors, I have built solar powered vehicles which use a solar cell and a high-value/low voltage capacitor. These are frequently sold under the (improper) (...) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | Two more for the wish list
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I've noticed that there is considerable discussion in various groups regarding the problem of getting a robot to move in a straight line. Here's something for the LEGO wish list I haven't seen mentioned before: A DIFFERENTIAL rotation sensor Mount (...) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | Re: New Pitsco Catalog
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(...) I tried to use Solar panels for power the RCX. No go. It needs a lot of amps to power it and solar is not big on amps... As a light sensor it's incredible fast. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 28-Jan-01, to lugnet.robotics)
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| | It works! [was: Cybermaster: Cannot receive though sending works (w/o sprit.ocx)]
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"Theo van Eijndhoven" <theo@sympro.nl> schrieb im Newsbeitrag news:G7o2AM.AFL@lugnet.com... (...) Yippie! That did it! I set RTS to false and now it works! Thank you! -Oli -- "If it ain't broken don't fix it!!" (25 years ago, 27-Jan-01, to lugnet.robotics, lugnet.robotics.cybermaster, lugnet.robotics.rcx)
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| | Re: New Pitsco Catalog
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There's lots of stuff in the Pitsco product line for energy-related training for schools. Check out: (URL) I wonder too if anyone uses it for robotics power sources. I also wonder if it's any good as a light sensor. Jerry (...) (25 years ago, 27-Jan-01, to lugnet.robotics)
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| | New Pitsco Catalog
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I got the new Pitsco 2001 catalog in the mail today, and noticed that there's a LEGO solar panel available. Is this a new product? I was under the impression that LEGO didn't make a solar panel. Anybody know what its mA output (in direct sunlight) (...) (25 years ago, 27-Jan-01, to lugnet.robotics)
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| | Re: Laptop IR port
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(...) Yes, that's why they give you one... It's not compatible with PC IR ports. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 27-Jan-01, to lugnet.robotics)
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| | Laptop IR port
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Sony laptop IR port with W98, I can't program the RCX. Do you have to use the Lego IR tower? ___...___ Get your FREE download of MSN Explorer at (URL) (25 years ago, 27-Jan-01, to lugnet.robotics)
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| | SCARA, Anyone?
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Just curious... Is anyone else trying to do a SCARA? This is really an interesting robot-concept, and I'd love to see others ideas. Programming has been my main headache; I've not successfully implemented any sort of vector/servo typ drive tasks in (...) (25 years ago, 26-Jan-01, to lugnet.robotics)
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| | Re: Interfacing Sharp's GP2D02 Distance Sensor to the RCX
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(...) Hallo Ram, you are right that my solution for the Distance Tracker Bot, the interface for the GP2D02 is a real "resource killer". At the beginning i planned to istall two of the GP2D02 at my RCX with this interface. That's the reason i'd (...) (25 years ago, 26-Jan-01, to lugnet.robotics)
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| | Sv: Chemical sensor?
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Yes, there are some chemical sensors available from (URL) other a pH sensor and an oxygen sensor. What sort of chemistry was on your mind? I am profesionally interested in among other glucose sensors, but I never tried to combine it with Lego. (...) (25 years ago, 26-Jan-01, to lugnet.robotics)
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| | MOC: Brick mixer
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You will find the Brick mixer at (URL) device reads a value on a card, then an arm places colored bricks picked from four feeders on a conveyor belt, ordered according the value read. You will find here photos, films, code and full building (...) (25 years ago, 26-Jan-01, to lugnet.announce, lugnet.robotics) !
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