How to make 1.5v to 12 v battery eliminator

It is tutorial to make versatile power supply or battery eliminator

you can use any voltage between 1.25 to 12 v by adjust controller



parts list  -


12 - 0 - 12 transformer

2x 1N4007 diode

2200mfd /25 v condencer

Ic LM317

240 ohm resistor

10 k variable resistor ( volume control)

10 mfd /25v condencer

vero board

wire

ac main cord

cabinet

make a 12v dc power supply and joint it with a voltage regulator circuit


12 v power supply circuit diagram





this is making video



Comments

  1. UnknownMarch 9, 2017 at 6:18 AM

    Where is the complete kit available and at what price in INR

    ReplyDelete
  2. UnknownFebruary 1, 2019 at 4:42 AM

    Pls guide for connections on vero board in detail.

    ReplyDelete

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