Re: thanks / data: Message #6 Posted by William R. on 10 Feb 2007, 12:33 a.m., in response to message #5 by Dave Shaffer
Those big red LED's are good. I would have to look up the specs on them. You mentioned the mA/ current of the batteries, that is kind a max load or limit. What you want to look at is the current requirements of the calc. This goes to the issue with LED's.. electronics. LED's need a simple circuit to limit the voltage or amperage during operation. Your calculator will draw a sligtly different load (current) depending on how hard you hammer it. Yes, it is nothing like a Laptop etc. but it does matter.(micro level) Basicly your batteries could produce max 300 mA under load, but it is more important what your calculator will draw under max and normal load, it should be quite lower. At max load batteries will die quickly,
This is all really not that complicated, train the batteries to be one with the calculator. Oh yeah,,,, you want to train the batteries to mimic the calculator needs, I still say stick with a low current lamp. ??? I may have missed somthing, use the calculator to train the batteries ???
Edited: 10 Feb 2007, 12:55 a.m.
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