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Sai Lahamge
Sai Lahamge
• Created on Nov 9, 2025 • 0 • 0 • 2
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Integrated Circuits Used

74LS90 74LS08

Procedure

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