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Shatakshi Shiravale
Shatakshi Shiravale
• Created on Apr 18, 2026 • 0 • 0 • 4
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Integrated Circuits Used

74LS90 74LS04 74LS21 74LS08

Procedure

  1. Add IC 74LS90 into ICBase-2 (74LS90).
  2. Add IC 74LS90 into ICBase-3 (74LS90).
  3. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS90).
  4. Connect VCC Port to Pin-5 (VCC) of ICBase-3 (74LS90).
  5. Connect GND Port to Pin-16 (Ground) of ICBase-2 (74LS90).
  6. Connect GND Port to Pin-16 (Ground) of ICBase-3 (74LS90).
  7. Connect GND Port to Pin-2 (Input) of ICBase-2 (74LS90).
  8. Connect GND Port to Pin-3 (Input) of ICBase-2 (74LS90).
  9. Connect GND Port to Pin-6 (Input) of ICBase-2 (74LS90).
  10. Connect GND Port to Pin-7 (Input) of ICBase-2 (74LS90).
  11. Connect GND Port to Pin-2 (Input) of ICBase-3 (74LS90).
  12. Connect GND Port to Pin-3 (Input) of ICBase-3 (74LS90).
  13. Connect GND Port to Pin-6 (Input) of ICBase-3 (74LS90).
  14. Connect GND Port to Pin-7 (Input) of ICBase-3 (74LS90).
  15. Connect Pin-18 (Output) of ICBase-2 (74LS90) to Pin-1 (Input) of ICBase-2 (74LS90).
  16. Connect Pin-18 (Output) of ICBase-3 (74LS90) to Pin-1 (Input) of ICBase-3 (74LS90).
  17. Connect Pin-17 (Output) of ICBase-2 (74LS90) to Pin-20 (Input) of ICBase-3 (74LS90).
  18. Add IC 74LS04 into ICBase-1 (74LS04).
  19. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS04).
  20. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS04).
  21. Add IC 74LS21 into ICBase-4 (74LS21).
  22. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS21).
  23. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS21).
  24. Connect Pin-1 (Input) of ICBase-1 (74LS04) to Pin-15 (Output) of ICBase-2 (74LS90).
  25. Connect Pin-2 (Input) of ICBase-4 (74LS21) to Pin-2 (Output) of ICBase-1 (74LS04).
  26. Connect Pin-1 (Input) of ICBase-4 (74LS21) to Pin-18 (Output) of ICBase-2 (74LS90).
  27. Connect Pin-4 (Input) of ICBase-4 (74LS21) to Pin-14 (Output) of ICBase-2 (74LS90).
  28. Connect Pin-3 (Input) of ICBase-1 (74LS04) to Pin-17 (Output) of ICBase-2 (74LS90).
  29. Connect Pin-5 (Input) of ICBase-4 (74LS21) to Pin-4 (Output) of ICBase-1 (74LS04).
  30. Add IC 74LS08 into ICBase-5 (74LS08).
  31. Connect GND Port to Pin-7 (Ground) of ICBase-5 (74LS08).
  32. Connect VCC Port to Pin-20 (VCC) of ICBase-5 (74LS08).
  33. Connect Pin-1 (Input) of ICBase-5 (74LS08) to Pin-6 (Output) of ICBase-4 (74LS21).
  34. Connect Pin-15 (Input) of ICBase-1 (74LS04) to Pin-18 (Output) of ICBase-3 (74LS90).
  35. Connect Pin-15 (Input) of ICBase-4 (74LS21) to Pin-14 (Output) of ICBase-1 (74LS04).
  36. Connect Pin-2 (Input) of ICBase-5 (74LS08) to Pin-14 (Output) of ICBase-4 (74LS21).
  37. Connect Output-1 to Pin-3 (Output) of ICBase-5 (74LS08).
  38. Connect Pin-17 (Input) of ICBase-1 (74LS04) to Pin-15 (Output) of ICBase-3 (74LS90).
  39. Connect Pin-16 (Input) of ICBase-4 (74LS21) to Pin-16 (Output) of ICBase-1 (74LS04).
  40. Connect Pin-18 (Input) of ICBase-4 (74LS21) to Pin-14 (Output) of ICBase-3 (74LS90).
  41. Connect Pin-19 (Input) of ICBase-1 (74LS04) to Pin-17 (Output) of ICBase-3 (74LS90).
  42. Connect Pin-19 (Input) of ICBase-4 (74LS21) to Pin-18 (Output) of ICBase-1 (74LS04).
  43. Connect Clock port of 5Hz frequency to Pin-20 (Input) of ICBase-2 (74LS90).