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A question about alternative power supply for hp41 series
02-24-2016, 05:26 PM
Post: #18
Artur - Brasil Offline
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RE: A question about alternative power supply for hp41 series
Wow! 5.5V from 1.5V is great!
About the ripple, I believe you should try a bigger capacitor - 10uF is too low.
If at calculators power off state the converter doesn't work, what to put a resistance that keeps the current around 100uA? Do you believe this would dry out the battery?
ARTUR MARIO JUNIOR
BRAZIL
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RE: A question about alternative power supply for hp41 series - Artur - Brasil - 02-24-2016 05:26 PM
HP41c running on single AA accu - wojtek - 02-27-2016, 12:09 AM
HP41c running on single AA accu - wojtek - 02-27-2016, 08:31 AM



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