CHAITHRA Y S Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts June 7, 2016 at 4:54 am in reply to: IR LED ON when touch with hand #13961 CHAITHRA Y SParticipant Hi, It is a simple LED on/off circuit by using N Channel MOSFET. Regards, Chaithra Author Posts Viewing 1 post (of 1 total)