If there is 4 LED s and one switch. This switch controls the all 4 LED s.
- switch press 1 times - 1st LED turn on
- switch press 2 times - 1st LED turn off and 2nd LED turn ON like wise it happen.
So I want to know, what is the number of Now Turn ON Led(1st LED, 2nd LED, 3rd LED or 4th LED) .
Can anyone help me?