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  1. J

    Traffic Lights

    Do you plan on building it on circuit board
  2. J

    Traffic Lights

  3. J

    Traffic Lights

    Okay, What I saw was your voltage area should change to to 12v and there shouldn't be ground up there also just your positive voltage and the 22k resistor that is hooked to pin 3 of your 2nd 555 timer change that to 47k. Try those and see what happens....
  4. J

    Traffic Lights

    Daithi, I used the circuit on the website you provided and it seems not to work. I also used the advice you gave at the end of the reply and removed the diode. The yellow light does not cut on and the red and green light just stay on. I used the multisim program. Here is a picture. Please help...