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echo: rberrypi
to: ANDY BURNS
from: A. DUMAS
date: 2020-12-31 02:02:00
subject: Re: How to realize a `ser

Andy Burns  wrote:
> On a hardware level you'll need a level shifter to convert the PI's
> RX/TX pins from 3.3V TTL to +/- 12V e.g.

No. He said uart, never mentioned rs232.

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