 | | Re: Need Electrical Help
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(...) Great idea. I hadn't thought about whether Tom was going to use a variable speed control. I just assumed batteries for some reason. Have you had any brightness issues with the seemingly low 15mA output for multiple LEDs or are you hooking 1 to (...) (16 years ago, 24-Oct-08, to lugnet.trains)
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| | Re: Need Electrical Help
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(...) If the voltage is going to vary, don't use a resistor as current source, consider a current regulator instead. That way the LED stays brightly lit over a wide voltage range without getting burned out at max voltage. This works for one or more (...) (16 years ago, 24-Oct-08, to lugnet.trains)
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| | Addional Building Instructions for Edu NXT
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In my classes, the basic NXT Educational bot goes a long way. Additionally, we have the Robotics Engineering bots from CMU. Is there a collection of other bots with building instructions somewhere on the internet? (16 years ago, 23-Oct-08, to lugnet.robotics.nxt)
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| | Re: PaB Inventory On-line for the iPhone
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(...) Yes, the "update" and "empty" buttons are Ajax based. (...) Actually, since I'm a super-user on the web-site, I think I turn off the X/Y coordinates for everyone, but myself (that's why it's in the picture)... I need to double check this & (...) (16 years ago, 23-Oct-08, to lugnet.general, FTX)
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| | Re: Australian Worker's Cottage
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(...) We had one of those clotheslines when I was a kid - very fun to play with - so spinny...dad was always having to straighten out the bars for some reason ;^) (...) Katrina (16 years ago, 23-Oct-08, to lugnet.town, lugnet.loc.au, FTX)
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