Two traffic lights using LED's - Electronic Circuits Projects Diagrams Free

branman · 11th April 2007, 08:33 PM

Hello all, for a project i have to construct a schematic of two traffic lights, simulating an intersection with red lasting 16 seconds, yellow 1 sec, and green 15 seconds, for both...i was wondering if anyone knew of any links that could help me with this, or if anyone would be able to give me assistance in the completion of this circuit. Thank you!

Electronics4you · 11th April 2007, 08:38 PM

Do you have any experience in using PICs, LEDs and transistors - then it's an easy task. According to the size of the lights the output from the PIC could simply drive a transistor and a series of LEDs. The PIC will do the timing for you.

branman · 11th April 2007, 08:45 PM

i only have the bare minimum of knowlede of the basics, all of the other guys are using 555's or 74193 IC's...only a few people have completed it..i dont recall them having any transistors

RODALCO · 11th April 2007, 08:54 PM

Here are a couple of links with standard IC's instead if PICS.

http://ourworld.compuserve.com/homep...den/page10.htm

http://home.cogeco.ca/~rpaisley4/Traffic145.html

Look under Google "Led traffic lights control circuits"

Kind regards,

Raymond

mike11298 · 14th April 2007, 12:21 AM

Does the timing need to be exact? If not, then a 4017 (or two) + 555 IC could be the way to go, otherwise it looks like a PIC. Upon googling 74193 It looks like a binary counter perhaps (never seen this IC before). But you would probably know more about this than me.

branman · 14th April 2007, 04:37 AM

The times were sixteen seconds red, 1 second yellow, and 15 seconds green, i figued it out using the 74193 and a JK flipflop(i forget the number) but its up and running, if anyone is interested i have it on circuitmaker... i thank everyone for the help they provided

Hero999 · 14th April 2007, 10:55 AM

If you don't have any experiance of building electronic circuits at all then I you could go for a PLC.

Sceadwian · 15th April 2007, 02:12 AM

If you had a boat load of money for the devleopment software and modules.

Hero999 · 15th April 2007, 12:53 PM

http://www.alibaba.com/catalog/10960..._Low_Cost.html

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11th April 2007, 08:33 PM	(permalink (permalink))
branman	Two traffic lights using LED's Hello all, for a project i have to construct a schematic of two traffic lights, simulating an intersection with red lasting 16 seconds, yellow 1 sec, and green 15 seconds, for both...i was wondering if anyone knew of any links that could help me with this, or if anyone would be able to give me assistance in the completion of this circuit. Thank you!

11th April 2007, 08:38 PM	(permalink (permalink))
Electronics4you	Do you have any experience in using PICs, LEDs and transistors - then it's an easy task. According to the size of the lights the output from the PIC could simply drive a transistor and a series of LEDs. The PIC will do the timing for you.

11th April 2007, 08:45 PM	(permalink (permalink))
branman	i only have the bare minimum of knowlede of the basics, all of the other guys are using 555's or 74193 IC's...only a few people have completed it..i dont recall them having any transistors

11th April 2007, 08:54 PM	(permalink (permalink))
RODALCO	LED traffic lights Here are a couple of links with standard IC's instead if PICS. http://ourworld.compuserve.com/homep...den/page10.htm http://home.cogeco.ca/~rpaisley4/Traffic145.html Look under Google "Led traffic lights control circuits" Kind regards, Raymond __________________ There are more ways to get to Rome. Electricity, Electric clocks, Meters and Trains are great.

14th April 2007, 12:21 AM	(permalink (permalink))
mike11298	Does the timing need to be exact? If not, then a 4017 (or two) + 555 IC could be the way to go, otherwise it looks like a PIC. Upon googling 74193 It looks like a binary counter perhaps (never seen this IC before). But you would probably know more about this than me.

14th April 2007, 04:37 AM	(permalink (permalink))
branman	The times were sixteen seconds red, 1 second yellow, and 15 seconds green, i figued it out using the 74193 and a JK flipflop(i forget the number) but its up and running, if anyone is interested i have it on circuitmaker... i thank everyone for the help they provided

14th April 2007, 10:55 AM	(permalink (permalink))
Hero999	If you don't have any experiance of building electronic circuits at all then I you could go for a PLC. __________________ I also post at the following sites: http://www.stop-microsoft.org http://www.heated-debates.com Screen name: Aloone_Jonez

15th April 2007, 02:12 AM	(permalink (permalink))
Sceadwian	If you had a boat load of money for the devleopment software and modules. __________________ "Because I be what I be. I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har."

15th April 2007, 12:53 PM	(permalink (permalink))
Hero999	http://www.alibaba.com/catalog/10960..._Low_Cost.html __________________ I also post at the following sites: http://www.stop-microsoft.org http://www.heated-debates.com Screen name: Aloone_Jonez