Apparatus Required:-

  • 220v to 9v(9-0-9) 1amp Transfermer
  • 2 * diode
  • Wire
  • Ac two pin
  • led
  • 1k Resistor
  • Dc  battery Clip

Lets Start....

  

 fix your transfermer on a box...

connect a wire to the 220 ac input for the transfermer..

cover the connection with the black tape...

now its time to give effert in the 9-0-9 out put of the transfermer...

connect the two 9v half dc out put of the transfermer to the diode as connected in the picture...

connect a led to the diode end and the ground out put of the transformer...

connect two wire,one to the diode end,another to the gnd output of the transformer... as the out put of 9v...

now connect the dc clip to the out wire...and our 9v power supply is ready now....

its time to test...

now connect the multi meter to check the power supply.... and our 9v power supply is ready now...

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