Procedure
- Connect Pin-11 (Input & Output) of ICBase-1 to Pin-10 (Input & Output) of ICBase-2.
- Connect Pin-9 (Input & Output) of ICBase-2 to Pin-12 (Input & Output) of ICBase-1.
- Connect Input-10 to Pin-11 (Input & Output) of ICBase-1.
- Connect Output-6 to Pin-1 (Input & Output) of ICBase-2.