Subject:
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Re: RCX Virus?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 16 May 2006 12:49:18 GMT
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Viewed:
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2093 times
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> Some more info about the problem:
> My RCX is 2.0 and I bought it 4-5 years ago. It's been on the shelf for a while
> (2-3 months) and I've always used rechargeable batteries. The ones I'm using now
> are 2000mA NiMH. I installed the firmware both from the Lego basic software and
> from Bricx (used same firmware file).
>
> I have to go to work and then to class but I'll try to see if I can solve the
> problem later and post some results.
I use rechargeable batteries too but I use Rayovac Renewals, Manganese Alkaline
which have a full-charge open-circuit voltage of 1.55 and a fairly linear
discharge curve (sloping downward, of course).
I don't use NiMH rechargeables because their full-charge open-circuit voltage is
1.25 per cell and have a flat discharge curve until eventually (without warning)
it drops down to a low value.
I wonder if your batteries reached the knee of the drop-off, where the voltage
was too low to sustain the RCX, yet the motors could still continue to run.
Jerry
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Message is in Reply To:
 | | Re: RCX Virus?
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| (...) Some more info about the problem: My RCX is 2.0 and I bought it 4-5 years ago. It's been on the shelf for a while (2-3 months) and I've always used rechargeable batteries. The ones I'm using now are 2000mA NiMH. I installed the firmware both (...) (18 years ago, 16-May-06, to lugnet.robotics)
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