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No. That's about as simple as you can get. A pot will only deliver a small amount of current with poor regulation (depending upon the pot resistance and output load).Is there anything without LM317?
i was actually looking for something more old fashioned like only a trim pot and transformer and a bridge rectifier.
No. That's about as simple as you can get. A pot will only deliver a small amount of current with poor regulation (depending upon the pot resistance and output load).