LM317 je regulovatelny stabilizator.Potenciometr se pripojuje asi takto :

http://www.mitedu.freeserve.co.uk/Ci...ower/lm317.htm

http://www.qsl.net/ok1duo/lm317.htm

http://www.uoguelph.ca/~antoon/gadgets/lm317.htm

http://www.geocities.com/tomzi.geo/lm317/lm317.htm