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mohit
mohit
• Created on Apr 17, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS90

Procedure

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