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Rahul Krishna
Rahul Krishna
• Created on Apr 19, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS191

Procedure

  1. Add IC 74LS191 into ICBase-3 (74LS191).
  2. Add IC 74LS191 into ICBase-4 (74LS191).
  3. Connect Seven segment display 1 to Pin-3 (Output) of ICBase-4 (74LS191).
  4. Connect Seven segment display 1 to Pin-2 (Output) of ICBase-4 (74LS191).
  5. Connect Seven segment display 1 to Pin-6 (Output) of ICBase-4 (74LS191).
  6. Connect Seven segment display 1 to Pin-7 (Output) of ICBase-4 (74LS191).
  7. Connect Seven segment display 2 to Pin-3 (Output) of ICBase-3 (74LS191).
  8. Connect Seven segment display 2 to Pin-2 (Output) of ICBase-3 (74LS191).
  9. Connect Seven segment display 2 to Pin-6 (Output) of ICBase-3 (74LS191).
  10. Connect Seven segment display 2 to Pin-7 (Output) of ICBase-3 (74LS191).
  11. Connect GND Port to Pin-8 (Ground) of ICBase-4 (74LS191).
  12. Connect GND Port to Pin-8 (Ground) of ICBase-3 (74LS191).
  13. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS191).
  14. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS191).
  15. Connect Input-0 to Pin-15 (Input) of ICBase-3 (74LS191).
  16. Connect Input-0 to Pin-15 (Input) of ICBase-4 (74LS191).
  17. Connect GND Port to Pin-4 (Input) of ICBase-3 (74LS191).
  18. Connect GND Port to Pin-4 (Input) of ICBase-4 (74LS191).
  19. Connect Input-2 to Pin-5 (Input) of ICBase-3 (74LS191).
  20. Connect Input-2 to Pin-5 (Input) of ICBase-4 (74LS191).
  21. Connect Input-4 to Pin-19 (Input) of ICBase-4 (74LS191).
  22. Connect Input-5 to Pin-1 (Input) of ICBase-4 (74LS191).
  23. Connect Input-6 to Pin-14 (Input) of ICBase-4 (74LS191).
  24. Connect Input-7 to Pin-13 (Input) of ICBase-4 (74LS191).
  25. Connect Input-9 to Pin-19 (Input) of ICBase-3 (74LS191).
  26. Connect Input-10 to Pin-1 (Input) of ICBase-3 (74LS191).
  27. Connect Input-11 to Pin-14 (Input) of ICBase-3 (74LS191).
  28. Connect Input-12 to Pin-13 (Input) of ICBase-3 (74LS191).
  29. Connect Pin-18 (Input) of ICBase-3 (74LS191) to Pin-17 (Output) of ICBase-4 (74LS191).
  30. Connect Clock port of 1Hz frequency to Pin-18 (Input) of ICBase-4 (74LS191).