Smart Automotive Gear Shift Display and Engine Safety Lock System

Rahul Krishna
Rahul Krishna
• Created on Apr 14, 2026 • 0 • 0 • 0
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Smart Automotive Gear Shift Display and Engine Safety Lock System
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Procedure

  1. Add IC 74LS04 into ICBase-1 (74LS04).
  2. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS04).
  3. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS04).
  4. Connect Input-15 to Pin-3 (Input) of ICBase-1 (74LS04).
  5. Connect Input-14 to Pin-1 (Input) of ICBase-1 (74LS04).
  6. Connect Input-13 to Pin-5 (Input) of ICBase-1 (74LS04).
  7. Add IC 74LS08 into ICBase-2 (74LS08).
  8. Add IC 74LS08 into ICBase-3 (74LS08).
  9. Connect Pin-1 (Input) of ICBase-2 (74LS08) to Pin-4 (Output) of ICBase-1 (74LS04).
  10. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).
  11. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  12. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  13. Connect Pin-2 (Input) of ICBase-2 (74LS08) to Pin-2 (Output) of ICBase-1 (74LS04).
  14. Connect Pin-4 (Input) of ICBase-2 (74LS08) to Pin-3 (Output) of ICBase-2 (74LS08).
  15. Connect Pin-5 (Input) of ICBase-2 (74LS08) to Pin-6 (Output) of ICBase-1 (74LS04).
  16. Connect Pin-15 (Input) of ICBase-3 (74LS08) to Pin-6 (Output) of ICBase-2 (74LS08).
  17. Connect Input-11 to Pin-16 (Input) of ICBase-3 (74LS08).
  18. Connect Pin-18 (Input) of ICBase-3 (74LS08) to Pin-14 (Output) of ICBase-3 (74LS08).
  19. Connect Input-9 to Pin-19 (Input) of ICBase-3 (74LS08).
  20. Connect Output-0 to Pin-17 (Output) of ICBase-3 (74LS08).
  21. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).
  22. Connect Input-13 to Seven segment display 1.
  23. Connect Seven segment display 1 to Input-14.
  24. Connect Input-15 to Seven segment display 1.
  25. Connect Seven segment display 1 to GND Port.
  26. Connect Seven segment display 2 to Pin-17 (Output) of ICBase-3 (74LS08).
  27. Connect Seven segment display 2 to Pin-17 (Output) of ICBase-3 (74LS08).
  28. Connect Seven segment display 2 to Pin-17 (Output) of ICBase-3 (74LS08).
  29. Connect Pin-17 (Output) of ICBase-3 (74LS08) to Seven segment display 2.