big_oaf Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts September 24, 2012 at 2:13 pm in reply to: After a certain column, LEDs unresponsive #20889 big_oafParticipant Thanks for your reply. When I switched the two chips at U4 and U5, the problem was fixed! I think maybe the pins just needed to be straightened a little better. Thanks again!Justin Author Posts Viewing 1 post (of 1 total)