Traffic lights - Copy

Shreyansh Kumar
Shreyansh Kumar Panda
• Created on Apr 14, 2025 • 0 • 0 • 3
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Traffic lights - Copy
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Integrated Circuits Used

74LS90 74LS20 74LS08

Procedure

  1. Connect VCC Port to Pin-5 (VCC) of ICBase-3 (74LS90).
  2. Connect GND Port to Pin-16 (Ground) of ICBase-3 (74LS90).
  3. Connect Manual clock Port to Pin-20 (Input) of ICBase-3 (74LS90).
  4. Connect Manual clock Port to Pin-1 (Input) of ICBase-3 (74LS90).
  5. Connect GND Port to Pin-2 (Input) of ICBase-3 (74LS90).
  6. Connect GND Port to Pin-3 (Input) of ICBase-3 (74LS90).
  7. Connect GND Port to Pin-6 (Input) of ICBase-3 (74LS90).
  8. Connect GND Port to Pin-7 (Input) of ICBase-3 (74LS90).
  9. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS20).
  10. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS20).
  11. Connect Pin-4 (Input) of ICBase-4 (74LS20) to Pin-17 (Output) of ICBase-3 (74LS90).
  12. Connect Pin-2 (Input) of ICBase-5 (74LS08) to Pin-6 (Output) of ICBase-4 (74LS20).
  13. Connect Pin-1 (Input) of ICBase-5 (74LS08) to Pin-18 (Output) of ICBase-3 (74LS90).
  14. Connect Output-0 to Pin-3 (Output) of ICBase-5 (74LS08).
  15. Connect VCC Port to Pin-20 (VCC) of ICBase-5 (74LS08).
  16. Connect GND Port to Pin-7 (Ground) of ICBase-5 (74LS08).
  17. Connect Pin-4 (Input) of ICBase-5 (74LS08) to Pin-15 (Output) of ICBase-3 (74LS90).
  18. Connect Pin-2 (Input) of ICBase-4 (74LS20) to Pin-15 (Output) of ICBase-3 (74LS90).
  19. Connect Pin-1 (Input) of ICBase-4 (74LS20) to Pin-14 (Output) of ICBase-3 (74LS90).
  20. Connect Pin-15 (Input) of ICBase-4 (74LS20) to Pin-18 (Output) of ICBase-3 (74LS90).
  21. Connect Pin-16 (Input) of ICBase-4 (74LS20) to Pin-17 (Output) of ICBase-3 (74LS90).
  22. Connect Pin-18 (Input) of ICBase-4 (74LS20) to Pin-14 (Output) of ICBase-3 (74LS90).
  23. Connect Pin-5 (Input) of ICBase-5 (74LS08) to Pin-14 (Output) of ICBase-4 (74LS20).
  24. Connect Output-1 to Pin-6 (Output) of ICBase-5 (74LS08).
  25. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS20).
  26. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS20).
  27. Connect Pin-15 (Input) of ICBase-5 (74LS08) to Pin-14 (Output) of ICBase-3 (74LS90).
  28. Connect Pin-1 (Input) of ICBase-2 (74LS20) to Pin-18 (Output) of ICBase-3 (74LS90).
  29. Connect Pin-2 (Input) of ICBase-2 (74LS20) to Pin-16 (Ground) of ICBase-3 (74LS90).
  30. Connect Pin-4 (Input) of ICBase-2 (74LS20) to Pin-15 (Output) of ICBase-3 (74LS90).
  31. Connect Pin-16 (Input) of ICBase-5 (74LS08) to Pin-6 (Output) of ICBase-2 (74LS20).
  32. Connect Output-2 to Pin-14 (Output) of ICBase-5 (74LS08).
  33. Connect Input-0 to Pin-5 (Input) of ICBase-4 (74LS20).
  34. Connect Input-1 to Pin-19 (Input) of ICBase-4 (74LS20).
  35. Connect Input-2 to Pin-5 (Input) of ICBase-2 (74LS20).
  36. Add IC 74LS90 into ICBase-3 (74LS90).
  37. Add IC 74LS20 into ICBase-2 (74LS20).
  38. Add IC 74LS08 into ICBase-5 (74LS08).
  39. Add IC 74LS20 into ICBase-4 (74LS20).