Procedure
- Connect Pin-7 (Input & Output) of ICBase-2 to Pin-16 (Input & Output) of ICBase-1.
- Connect Pin-17 (Input & Output) of ICBase-5 to Pin-16 (Input & Output) of ICBase-4.
- Connect Pin-14 (Input & Output) of ICBase-4 to Pin-11 (Input & Output) of ICBase-5.
- Connect Pin-14 (Input & Output) of ICBase-1 to Pin-11 (Input & Output) of ICBase-4.
- Connect Pin-5 (Input & Output) of ICBase-1 to Pin-3 (Input & Output) of ICBase-1.