Need help with timer operated relay | Electronics › Electronics › Need help with timer operated relay This topic has 2 replies, 2 voices, and was last updated 8 years, 3 months ago by Josh. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts August 31, 2015 at 12:07 am #3943 JoshParticipant Hi guys, I am trying to design a simple circuit. It will have a 12 VDC input, and need to operate a relay with a variable timer anywhere from 10ms to 100ms. August 31, 2015 at 12:19 pm #13238 m venugopalParticipant you can get better information in below link, please try it. http://www.engineersgarage.com/contribution/timer-operated-relay-with-digital-display-using-ic-555?page=1 August 31, 2015 at 11:00 pm #13243 JoshParticipant Awesome, that is exactly what I needed, thanks! Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In