Where can I find free .prb files for Edison and Tina software?

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Free .prb files for Edison and Tina software can be challenging to find, but users recommend exploring resources like ibiblio.org, which offers a collection of electric circuit materials. This site is created by enthusiasts and provides valuable learning tools for those studying electronics. Engaging with such communities can also lead to opportunities for contributing once proficiency is gained. Overall, leveraging these resources can enhance the learning experience in basic electronics.
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I am trying learn (re-learn in most cases) basic electronics I have found this piece of obscure software called Edison (same company also make a program called Tina) and need more .prb (problem) files to learn much more from it. Are these free, does anybody know where I can get any from.
 
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try this

This is a free resource on electric circuits made by people similar to the GNU freaks:
http://www.ibiblio.org/obp/electricCircuits/

excellent resource... once u are an expert in electronics.. u can help their project too
 
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