MOD 42

Arya
Arya
• Created on Nov 13, 2025 • 0 • 0 • 0
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MOD 42
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Procedure

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