• Parts List:- Voltage Regulator LM317
  • Variable Resistor 5k
  • Resistor 220ohm
  • Capacitor .1uf to 10uf 50volt,

LM317 is a three terminal voltage regulator IC from National Semiconductors. The IC is capable of delivering up to 1A of output current. Input voltage can be up to 40V and output voltage can be adjusted from 1.2V to 37V. You can make this circuit because this is very easy to make with only few components. see vedio for detail if you need any help comment. A classic voltage regulator circuit using LM317 is shown above. Input voltage is fed to the pin3 (v in) of the IC and regulated output voltage is available from pin 2 ( V out) of the IC.

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