Procedure
- Connect VCC Port to Pin-20 (Input & Output) of ICBase-1.
- Connect GND Port to Pin-7 (Input & Output) of ICBase-1.
- Connect Output-15 to Pin-6 (Input & Output) of ICBase-1.
- Connect Pin-5 (Input & Output) of ICBase-1 to Input-15.
- Connect Pin-3 (Input & Output) of ICBase-2 to Pin-4 (Input & Output) of ICBase-1.