Procedure
- Connect Pin-5 (Input & Output) of ICBase-2 to Pin-1 (Input & Output) of ICBase-1.
- Connect Pin-6 (Input & Output) of ICBase-2 to Pin-15 (Input & Output) of ICBase-1.
- Connect Pin-3 (Input & Output) of ICBase-2 to Pin-18 (Input & Output) of ICBase-1.