Thank god. My IC is not damaged. Maybe I gave only 3V for wrong connection. Thank you Eric, The circuit you gave i used. It's working. I happily finished my first project... Huhuhu...!
Hey guys, I found one thing, I did Monostable from 555 and I just touch the Triger, it turns on the LED, I continuesly touch the Trigger what a magic..! The monostable working as astable, LED is blinking, how's it possible...?