vishal chavan Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts June 1, 2013 at 11:53 am in reply to: Power supply problem for 8051 #9876 vishal chavanParticipant delay of 100ms is too small ,try to increse it atleast 1000ms to get delay of 1sec between on and off. if then also it doesnt worh try to reflash your program Author Posts Viewing 1 post (of 1 total)