0
[postlink]https://electronics-robots.blogspot.com/2012/09/555-timer-circuits-police-lights.html[/postlink]http://www.youtube.com/watch?v=1_wBtwKb37cendofvid [starttext] [endtext]

555 Timer Circuits - Police Lights

0
[postlink]https://electronics-robots.blogspot.com/2012/09/how-to-make-touch-switch-using-ne555.html[/postlink]http://www.youtube.com/watch?v=l7wXsJtnsEEendofvid [starttext] [endtext]

How to make Touch switch using NE555

0
[postlink]https://electronics-robots.blogspot.com/2012/09/experiments-41-applications-555-timer.html[/postlink]http://www.youtube.com/watch?v=W7XZwMp2RaMendofvid [starttext] [endtext]

Experiments 4.1 : Applications - The 555 Timer Sequence