Make a power bank within a few minutes

You need 1 7805 IC 1 led 1k ohm transmitter And some wer for connecting. Connect 2 wer with input and middle line of 8705 ic the...

You need 1 7805 IC

1 led

1k ohm transmitter

And some wer for connecting.

Connect 2 wer with input and middle line of 8705 ic then connect another 2 wer into data and output line.

Now set the buttary with input and middle wer

And connect charger another side.

If you want to set up let.

Just simply insurt it as seris line. 

For easy set up system  Watch this video

https://youtu.be/8wRCgoD1Rog