Search results

  1. G

    4 way traffic light with countdown timer

    hi. can anybody help me in constructing a 4-way traffic light with countdown timer. even only using a single digit, (9,8,7,6,5....0) please help. thanks in advance. i have search 4 way traffic light circuits. but it only uses 555 timer, with no countdown timer. thanks..
  2. G

    555, Traffic Lights Circuit Help!

    hi. can anybody help me in constructing a 4-way traffic light with countdown timer. even only using a single digit, (9,8,7,6,5....0) please help. thanks in advance. i have search 4 way traffic light circuits. but it only uses 555 timer, with no countdown timer. thanks..