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Comments

author
athomas21 (author)2011-09-23

can i use a 7-segment display to show the time remaining for the signal to change??....if yes then how??

author
robot1398 (author)athomas212011-10-12

are u willing to use a microcontroller or not?

author
MROHM (author)robot13982012-02-12

You can do it with a 7447 and a 7490(TTL gates and not a microcontroller) THERE ARE SITES WITH SCHEMATICS TO DO THIS!!!

author
athomas21 (author)robot13982011-10-14

no not a microcontroller.....

author
techxpert (author)2011-09-26

year this is a great circuit also posted at http://www.kpsec.freeuk.com/projects/trafficlight.htm
thanks for making an instructable about it as it was hard to read

author
pbergeronronronron (author)2011-06-09

yellow should always be before red light

author

u r correct but now i have to redesign the circuit

author
optox (author)robot13982011-07-23

justswitch the red and green LEDs

author
robot1398 (author)optox2011-07-23

ok

author
amalviya1 (author)2011-07-22

it's purpose is to get ready!...by the way nice project rohit!..

author
robot1398 (author)amalviya12011-07-22

yhanks

author
ray_Bond (author)2011-06-15

very good work bro
you keep it simple and with less use of components
this is really good.
God Bless You

author
robot1398 (author)ray_Bond2011-06-15

thanks

author
LinemenOwn (author)2011-06-10

What is the purpose of the yellow light in India then?

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