Jun 22, 2010 #1 K kk.vignesh Newbie level 1 Joined Jun 22, 2010 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location india Activity points 1,286 help hey, i have designed my first circut using 555 ic but there is a problem in it. my circut is two led flasher but the problem is one led is glows always other led does not..............plz help
help hey, i have designed my first circut using 555 ic but there is a problem in it. my circut is two led flasher but the problem is one led is glows always other led does not..............plz help
Jun 22, 2010 #2 keith1200rs Super Moderator Staff member Joined Oct 9, 2009 Messages 10,865 Helped 2,065 Reputation 4,130 Reaction score 1,596 Trophy points 1,403 Location Yorkshire, UK Activity points 57,270 help Your upper LED is the wrong way round. Keith.