Procedure
- Connect Pin-2 (Input & Output) of ICBase-3 to Pin-1 (Input & Output) of ICBase-1.
- Connect Pin-3 (Input & Output) of ICBase-3 to Pin-3 (Input & Output) of ICBase-1.
- Connect Pin-4 (Input & Output) of ICBase-3 to Pin-2 (Input & Output) of ICBase-1.
- Connect Output-13 to Input-13.
- Connect Pin-1 (Input & Output) of ICBase-2 to Pin-1 (Input & Output) of ICBase-1.
- Connect Input-12 to Pin-2 (Input & Output) of ICBase-1.