How to build your own linear adjustable power supply based on LM317.\rbrIn this tutorial Ill explain how linear power supply works, what parts it consists and a lot of small details, like how to calculate smoothing capacitor value, or how to choose a transformer. Plus youll see how to build an ual power supply.\rbr\rbr\rbr\rbr\rbrADDITIONAL INFO & PHOTOS: \rbr\rbrAnd you can find some more cool stuff on \rbrTwitter: \rbr\rbr\rbrVideos from other people on similar topics:\rbr\rbr - Electronics Thermal Heatsink Design Tutorial from Dave Jones\rbr - Diode Tutorial & How to build an AC to DC power supply from Afrotechmods\rbr - Electrical Transformer Tutorial from Afrotechmods\rbr\rbr\rbr\rbrKeywords: LM317 adjustable power supply tutorial linear +5v +12v 5v 12v +3.3v 3.