Re: serial console
On Wed, Jul 30, 2025 at 08:48:05PM -0400, Steve Dondley wrote:
> >
> > serial console/ parallel is likely me not understanding terminology.
> > These Raspberry Pis, Arduinos with the connection with all the pins, what protocol is that expecting?
> > mick
>
> I’ve only played with arduino once and never a Raspberry pi (I think it has a ton of different ports) and it probably depends on the model. So I can’t be of much help there.
>
> How many pins does it have? If it’s a 9 pin arranged in two rows then it’s definitely a serial port. If it’s got 15 pins in three rows it’s probably a vga serial port for the monitor.
If it has 25 pins in 2 rows it is prolly a serial port - but usually only a few
of the pins were connected:
https://en.wikipedia.org/wiki/Serial_communication
These were bits of kit that were around for decades; how they were used, wired
up, etc changed over time. To see how it is used on a particular device you
need to look at the documentation.
--
Alain Williams
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