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MOD-RS485-ISO or MOD-RS485 logic levels

Started by dxmann, May 31, 2013, 01:33:53 PM

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dxmann

May 31, 2013, 01:33:53 PM
Hello!
I would ask which are the voltage levels of the RS232 port: i nee to connect its pin to 3.3v digital ports.
Thank you! :)
here are the modules:
https://www.olimex.com/Products/Modules/Interface/MOD-RS485-ISO/
https://www.olimex.com/Products/Modules/Interface/MOD-RS485/

LubOlimex

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June 03, 2013, 08:16:19 AM
Hello dxmann,

It's 3.3V and it is located on the UEXT. More info on UEXT: http://en.wikipedia.org/wiki/UEXT.

Best regards,
Lub/OLIMEX
Technical support and documentation manager at Olimex
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