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Nagendra
Nagendra
• Created on Feb 26, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS21

Procedure

  1. Add IC 74LS21 into ICBase-2 (74LS21).
  2. Connect Pin-20 (VCC) of ICBase-2 (74LS21) to VCC Port.
  3. Connect Pin-20 (Input & Output) of ICBase-1 to VCC Port.
  4. Connect Pin-7 (Ground) of ICBase-2 (74LS21) to GND Port.
  5. Connect Pin-7 (Input & Output) of ICBase-1 to GND Port.
  6. Connect Input-1 to Pin-1 (Input & Output) of ICBase-1.
  7. Connect Input-2 to Pin-2 (Input & Output) of ICBase-1.
  8. Connect Pin-2 (Input) of ICBase-2 (74LS21) to Pin-3 (Input & Output) of ICBase-1.
  9. Connect Output-3 to Pin-17 (Input & Output) of ICBase-2 (74LS21).