 | | Re: Rechargeable Batteries
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(...) We'll have to feed it K'nex's, right? :-) (24 years ago, 10-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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(...) "Definitive Guide" had a sentence or two suggesting rechargeable alkalines. I didn't go into any detail about the tradeoffs, though. I'm still waiting for "Mr. Fusion" :) Dave (24 years ago, 10-Aug-01, to lugnet.robotics.rcx)
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| | Re: SALE on Creative Projects with LEGO Mindstorms at Fatbrain!
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I have this book and highly recommend it! Ben did a great job! -Peter "Ben Erwin" <ben@alum.mit.edu> wrote in message news:GC5w3p.DGG@lugnet.com... (...) (24 years ago, 9-Aug-01, to lugnet.books, lugnet.robotics, lugnet.robotics.rcx)
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| | ECG sensor
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hi all, I've build and ECG sensor for the RCX, so for who is interested: (URL) also want to maintain an overview of avaliable bio-sensors, so if you have or see something interesting, please mail me, you can find the current biosensor-overview: (...) (24 years ago, 8-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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Thanks to everyone who responded to this. As is usually the case on the web there was unanimous consent for ... Only kidding. I haven't yet decided how to go on this. I still have a bunch of alkaline AA's sitting around and with the kids starting (...) (24 years ago, 8-Aug-01, to lugnet.robotics.rcx)
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| | RCX 2.0 Difference
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I have got both an RCX1.0 and RCX2.0 unit. The RCX2.0 has a much less sensitive IR port. I would use the remote control to send messages and start and stop programs and to trigger motors. With the RCX1.0 the remote could be pointed at the unit and (...) (24 years ago, 7-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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(...) Roger, I believe the low voltage is more important. A side issue is the battery indicator that you access through NQC (or Robolab) set up in a scale of 0-9 volts. Fully charged alkalines are 9+ and discharged ones are 6 volts. With NiMH full (...) (24 years ago, 6-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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(...) They have a higher voltage of about 3V and are tricky to charge, if you don't do it right they have a tendency to explode. I've never seen standalone cells and charger. Jürgen (24 years ago, 6-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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In article <3B69FD3A.3DA7E73A@c...ects.com>, "Frank Caggiano" <caggiano@crystal-objects.com> wrote: I'm surprised no one has mentioned rechargable lithium as used in, e.g., laptops. Rather expensive, but the hold a fair amount of charge. Would they (...) (24 years ago, 5-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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Jerry: What is the problem with the NiMH batteries? the low voltage? Or extra $$ ? Roger (...) (24 years ago, 4-Aug-01, to lugnet.robotics.rcx)
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