 | | Re: Sign of center pin on power adaptor
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Usually AC will either say AC or have a ~ symbol. DC will either say DC or have a symbol that looks like = or _-_ -Rob A> (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) The AT&T 9v AC 800mA supply sounds just about right. (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) _ALWAYS_ assume DC on an actual power adapter (at least in the US). Most AC devices will just use a simple cord, like you'd find on a portable stereo. A handful of devices will need AC power in a non-standard voltage and will use DC-like power (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) The one used for the RCX may be, but the NXT power supply is sold as a different item, and is listed as a 10VAC adapter vs. the 9VAC adapters used by trains and various other systems. Not that it matters unless you also buy the Li-Ion battery (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) I now have a Dynamic Instruments 16VAC 375mA, AT&T AC 9V 800mA, and a Black & Decker 9V 200mA from a Dust Buster but it does not say if it is DC or AC, I am assuming AC. Which one should I use? I am hoping the AT&T but the 800mA makes me a (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) It's the same PSU as used for the 9V train controllers. (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: MINDSTORMS Community Partners
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(...) Is this the same forum that Vernier Software is involved in? The company is making ready as many of their sensors (40+) to work with the NXT. Their Logger Pro is used in a lot of middle and high school science classrooms. The last time I (...) (17 years ago, 10-Jul-07, to lugnet.robotics.nxt, FTX)
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| | Re: Sign of center pin on power adaptor
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(...) The wall wart for my RCX says "output 10.8VAC 700mA 8w" so it sounds like the rectifier is in the RCX, not the wall wart. (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) Wow, I do not have a 10V AC adapter but I am sure I can get one at Radio Shack. Thanks a million, Tom (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) I once came across a box full of old wall wart power supplies at a rummage sale and after digging through it for 10 minutes or so I found three that had 12V AC and the correct plug for the RCX. They work perfectly and I think I paid about $1 (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) 9V (orientation doesn't matter). But I wouldn't recommend it as there have been reports of burnt out rectifiers from people doing that. Hope this helps, ROSCO (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Sign of center pin on power adaptor
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I am looking for the sign of the center pin on the RCX 1.0 power adaptor plug. I have a DC 9v 200ma transformer and want to plug it into the RCX but I do not know what the sign is on the center of the plug. It looks like the rush on buying the old (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Re Rafe Donahue's GBC binary counter
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(...) I'm sorry I missed seeing you too in Chicago. What I brought is more of a truck with a crate loading mechanism in the front, like a garbage truck with a dumpster lifter in front. In the back a cargo bed with a side dumping mechanism. I have (...) (17 years ago, 7-Jul-07, to lugnet.robotics, lugnet.events.brickworld)
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| | Re: Re Rafe Donahue's GBC binary counter
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(...) There is some video that Joe posted. There are some pictures too. The explanation goes something like this: Upon entry into the module, the ball is lifted with a standard link lifter and is dropped onto a narrow chute that directs the ball (...) (17 years ago, 6-Jul-07, to lugnet.robotics, lugnet.events.brickworld)
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| | Using the NXT with I2C Sensors
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All, I've finally got around to updating my site with a detailed description of connecting the NXT to the ultrasound (sonar) sensor and also to third party sensors like those from HiTechnic and Mindsensors. (URL) Cheers, Ralph (17 years ago, 5-Jul-07, to lugnet.robotics.nxt)
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| | Re: Re Rafe Donahue's GBC binary counter
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In lugnet.robotics, Brian Davis wrote: . (...) Go (URL) here.> (...) Yeah, but we still missed you:-) Joe (17 years ago, 5-Jul-07, to lugnet.robotics, lugnet.events.brickworld, FTX)
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| | Re: Re Rafe Donahue's GBC binary counter
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(...) That I can believe - he's amazingly good at that. I just hope my modules didn't give him any trouble. (...) It works very well that way for closing loops - both Steve and I can switch the trains from "circulating" to "ping-pong" mode at will, (...) (17 years ago, 5-Jul-07, to lugnet.robotics, lugnet.events.brickworld)
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| | Re: MINDSTORMS Community Partners
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(...) I was under the possibly mistaken impression that joining the MCP for round 2 was intended to be a "by invitation only" sort of thing and that it was not intended to be sent out to the general public. I could be wrong and, if so, my humble (...) (17 years ago, 4-Jul-07, to lugnet.robotics.nxt, FTX)
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| | MINDSTORMS Community Partners
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Are You a Hardcore LEGO MINDSTORMS NXT User? Do you want to have a seat in our closed webforum, the Mindstorms Community Partners, where we involve you in our development and tests of new ideas, concepts, prototypes, products and discuss various (...) (17 years ago, 4-Jul-07, to lugnet.robotics.nxt, lugnet.general, FTX)
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| | IR tower problem
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Hi I'we got mindstirms for schol (2002). This is my first time playing with robots. I'm trying to set up LegOS, so i'll be able to program in C. Ok, Computer runs on windows, so I installed Cywin, H8 cross-compiler and legos. This seems to wok fine. (...) (17 years ago, 4-Jul-07, to lugnet.robotics)
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