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• Created on Apr 30, 2026 • 0 • 0 • 2
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Integrated Circuits Used

74LS90 74LS08

Procedure

  1. Connect Seven segment display 1 to Pin-18 (Input & Output) of ICBase-1.
  2. Connect Seven segment display 1 to Pin-17 (Input & Output) of ICBase-1.
  3. Connect Seven segment display 1 to Pin-15 (Input & Output) of ICBase-1.
  4. Connect Seven segment display 1 to Pin-14 (Input & Output) of ICBase-1.
  5. Connect GND Port to Pin-7 (Input & Output) of ICBase-1.
  6. Connect GND Port to Pin-6 (Input & Output) of ICBase-1.
  7. Connect VCC Port to Pin-5 (Input & Output) of ICBase-1.
  8. Connect GND Port to Pin-2 (Input & Output) of ICBase-1.
  9. Connect GND Port to Pin-3 (Input & Output) of ICBase-1.
  10. Connect GND Port to Pin-16 (Input & Output) of ICBase-1.
  11. Connect Pin-18 (Input & Output) of ICBase-1 to Pin-1 (Input & Output) of ICBase-1.
  12. Add IC 74LS90 into ICBase-2 (74LS90).
  13. Connect GND Port to Pin-16 (Ground) of ICBase-2 (74LS90).
  14. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS90).
  15. Connect GND Port to Pin-6 (Input) of ICBase-2 (74LS90).
  16. Connect GND Port to Pin-7 (Input) of ICBase-2 (74LS90).
  17. Connect GND Port to Pin-2 (Input) of ICBase-2 (74LS90).
  18. Connect GND Port to Pin-3 (Input) of ICBase-2 (74LS90).
  19. Connect Clock port of 5Hz frequency to Pin-20 (Input & Output) of ICBase-1.
  20. Add IC 74LS08 into ICBase-3 (74LS08).
  21. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  22. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  23. Connect Pin-17 (Input & Output) of ICBase-1 to Pin-1 (Input) of ICBase-2 (74LS90).
  24. Connect GND Port to Seven segment display 2.
  25. Connect Output-0 to Pin-15 (Output) of ICBase-2 (74LS90).
  26. Connect Output-1 to Pin-14 (Output) of ICBase-2 (74LS90).
  27. Connect Output-2 to Pin-17 (Output) of ICBase-2 (74LS90).
  28. Connect Seven segment display 2 to Pin-17 (Output) of ICBase-2 (74LS90).