HP97 The journey begins
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05-05-2019, 10:34 AM
(This post was last modified: 05-05-2019 10:36 AM by teenix.)
Post: #79
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RE: HP97 The journey begins
(05-05-2019 09:36 AM)Harald Wrote: Hi Tony, Hi Harald, Thanks for the help. I'll try running the entire circuit at 5.5V. I measure 6V for this rail from the HP's supply. If things can work reliably then that is only 1 supply voltage to generate from the battery. The board with the linear supply and original calculator parts use about 60mA with just a decimal point on the display. cheers Tony |
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