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GAURAV AGRAWAL
GAURAV AGRAWAL
• Created on Apr 23, 2026 • 0 • 0 • 3
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Integrated Circuits Used

74LS90 74LS08 74LS04

Procedure

  1. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS90).
  2. Connect GND Port to Pin-16 (Ground) of ICBase-2 (74LS90).
  3. Add IC 74LS90 into ICBase-2 (74LS90).
  4. Add IC 74LS08 into ICBase-3 (74LS08).
  5. Add IC 74LS04 into ICBase-4 (74LS04).
  6. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  7. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  8. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS04).
  9. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS04).
  10. Connect Pin-20 (Input) of ICBase-2 (74LS90) to Pin-18 (Output) of ICBase-2 (74LS90).
  11. Connect GND Port to Pin-2 (Input) of ICBase-2 (74LS90).
  12. Connect GND Port to Pin-3 (Input) of ICBase-2 (74LS90).
  13. Connect GND Port to Pin-6 (Input) of ICBase-2 (74LS90).
  14. Connect GND Port to Pin-7 (Input) of ICBase-2 (74LS90).
  15. Connect Pin-1 (Input) of ICBase-2 (74LS90) to Clock port of 1Hz frequency.
  16. Connect Pin-1 (Input) of ICBase-4 (74LS04) to Pin-17 (Output) of ICBase-2 (74LS90).
  17. Connect Seven segment display 1 to Pin-2 (Output) of ICBase-4 (74LS04).
  18. Connect Seven segment display 1 to Pin-4 (Output) of ICBase-4 (74LS04).
  19. Connect Seven segment display 1 to Pin-6 (Output) of ICBase-4 (74LS04).
  20. Connect Seven segment display 1 to Pin-14 (Output) of ICBase-4 (74LS04).
  21. Connect Pin-3 (Input) of ICBase-4 (74LS04) to Pin-18 (Output) of ICBase-2 (74LS90).
  22. Connect Pin-5 (Input) of ICBase-4 (74LS04) to Pin-15 (Output) of ICBase-2 (74LS90).
  23. Connect Pin-15 (Input) of ICBase-4 (74LS04) to Pin-14 (Output) of ICBase-2 (74LS90).
  24. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Pin-17 (Output) of ICBase-2 (74LS90).
  25. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Pin-17 (Output) of ICBase-2 (74LS90).
  26. Connect Output-15 to Pin-3 (Output) of ICBase-3 (74LS08).
  27. Connect Output-14 to Pin-3 (Output) of ICBase-3 (74LS08).
  28. Connect Pin-2 (Input) of ICBase-2 (74LS90) to Pin-3 (Output) of ICBase-3 (74LS08).