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ilker
ilker
• Created on Oct 21, 2025 • 0 • 0 • 3
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Integrated Circuits Used

74LS21 74LS11 74LS08

Procedure

  1. Connect Pin-1 (Input & Output) of ICBase-1 to Input-15.
  2. Connect Pin-2 (Input & Output) of ICBase-1 to Input-14.
  3. Add IC 74LS21 into ICBase-5 (74LS21).
  4. Connect Pin-1 (Input) of ICBase-5 (74LS21) to Pin-3 (Input & Output) of ICBase-1.
  5. Connect Pin-20 (Input & Output) of ICBase-1 to VCC Port.
  6. Connect Pin-7 (Input & Output) of ICBase-1 to GND Port.
  7. Add IC 74LS11 into ICBase-2 (74LS11).
  8. Connect Pin-20 (VCC) of ICBase-2 (74LS11) to VCC Port.
  9. Connect Pin-7 (Ground) of ICBase-2 (74LS11) to GND Port.
  10. Connect Pin-1 (Input) of ICBase-2 (74LS11) to Input-13.
  11. Connect Pin-2 (Input) of ICBase-2 (74LS11) to Input-12.
  12. Connect Pin-19 (Input) of ICBase-2 (74LS11) to Input-11.
  13. Connect Pin-2 (Input) of ICBase-5 (74LS21) to Pin-18 (Output) of ICBase-2 (74LS11).
  14. Add IC 74LS08 into ICBase-3 (74LS08).
  15. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Input-15.
  16. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Input-14.
  17. Connect Pin-4 (Input) of ICBase-5 (74LS21) to Pin-3 (Output) of ICBase-3 (74LS08).
  18. Connect Pin-18 (Input & Output) of ICBase-1 to Input-15.
  19. Connect Pin-5 (Input) of ICBase-5 (74LS21) to Pin-17 (Input & Output) of ICBase-1.
  20. Connect Output-4 to Pin-6 (Output) of ICBase-5 (74LS21).
  21. Connect Pin-20 (VCC) of ICBase-3 (74LS08) to VCC Port.
  22. Connect Pin-7 (Ground) of ICBase-3 (74LS08) to GND Port.
  23. Connect Pin-20 (VCC) of ICBase-5 (74LS21) to VCC Port.
  24. Connect Pin-7 (Ground) of ICBase-5 (74LS21) to GND Port.