I was using Pronterface successfully on my computer, then decided to learn how to use Arduino to learn how to control individual step motors and temperatures. After successfully interfacing with Arduino, I went back to Pronterface and it could no longer connect to the printer.

Any ideas for why this might be? Is there some configuration I need to run before switching back to Pronterface.

Thanks for any help you can give.

... it seems, you have reprogrammed the Arduino with another firmware or different setting for baud-rate and/or pin-mapping.

Try to install the original firmware and settings ...

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Viktor
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Aufruf zum Projekt "Müll-freie Meere" - [reprap.org] -- Deutsche Facebook-Gruppe - [www.facebook.com]

Call for the project "garbage-free seas" - [reprap.org]