Hellow guys, Welcome to my website, and you are watching Adjustable Auto On Off delay timer circuit on Breadboard | 555 Timer project #4. and this vIdeo is uploaded by Elonics - Electronics Projects on Breadboard at 2020-01-09T08:08:21-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.