HP50g - RS-232 cable
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10-12-2016, 09:27 PM
Post: #18
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RE: HP50g - RS-232 cable
(10-12-2016 07:39 PM)Claudio L. Wrote: I meant those ready-made circuits you can buy at sparkfun, etc. are wired to take power from the PC side. You'd have to modify them to get power from the calc, I have no idea how easy (or not) could that be as I haven't had one of them in my hands. I think the old MAX232 needs 5V (not sure, as I haven't used it in almost 10 years), I can't recall if the calc supplies 5V or 3.3V on the serial port. That info should be on comp.sys.hp48 if you dig a little. Hi Claudio, Thanks for all the information. I'll try it. Kind regards, Joerg |
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