Hellow guys, Welcome to my website, and you are watching LED Roulette Circuit Using 555 Timer, 4017 IC & Transistor - With Theory. and this vIdeo is uploaded by Elonics - Electronics Projects on Breadboard at 2019-01-12T03:28:18-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.