Procedure
- Connect Pin-20 (Input & Output) of ICBase-1 to VCC Port.
- Connect Output-0 to Pin-3 (Input & Output) of ICBase-2.
- Connect Input-2 to Pin-2 (Input & Output) of ICBase-2.
- Connect Pin-1 (Input & Output) of ICBase-1 to Input-1.
- Connect Pin-2 (Input & Output) of ICBase-1 to Input-0.
- Connect Pin-20 (Input & Output) of ICBase-1 to Pin-3 (Input & Output) of ICBase-1.