Procedure
- Connect Pin-17 (Input & Output) of ICBase-2 to Output-5.
- Connect Pin-6 (Input & Output) of ICBase-2 to Output-6.
- Connect Output-10 to Pin-15 (Input & Output) of ICBase-1.
- Connect Pin-8 (Input & Output) of ICBase-2 to Pin-14 (Input & Output) of ICBase-1.
- Connect Pin-6 (Input & Output) of ICBase-3 to Output-3.