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Old 14th Feb 2021, 5:56 pm   #19
paulsherwin
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Join Date: Jun 2003
Location: Oxford, UK
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Default Re: Help with RS232 needed!

Quote:
Originally Posted by mole42uk
But, wait, I've just read that maybe I can simply take the MAX233 out of the circuit and have the GPS directly drive the RS-232 adapter. It's only on a short cable and it's only running 4800 baud, so there shouldn't be any signal issues....
It's so long since I did this sort of thing for a living that I've forgotten the specs, but TTL serial comms will go a long way with a screened cable or in an electrically quiet environment. I've certainly run cables to terminals running at 192,000 baud for over 50 metres with no problems at all.
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