Procedure
- Connect Pin-16 (Input & Output) of ICBase-2 to Output-0.
- Connect Pin-20 (Input & Output) of ICBase-3 to VCC Port.
- Connect Pin-1 (Input & Output) of ICBase-1 to Input-15.
- Connect Pin-3 (Input & Output) of ICBase-1 to Input-14.
- Connect Pin-5 (Input & Output) of ICBase-1 to Input-13.
- Connect Pin-5 (Input & Output) of ICBase-2 to Pin-6 (Input & Output) of ICBase-1.
- Connect Pin-4 (Input & Output) of ICBase-2 to Pin-2 (Input & Output) of ICBase-1.