Procedure
- Connect Pin-4 (Input & Output) of ICBase-1 to Pin-12 (Input & Output) of ICBase-5.
- Connect Pin-12 (Input & Output) of ICBase-2 to Pin-6 (Input & Output) of ICBase-2.
- Connect Pin-13 (Input & Output) of ICBase-2 to Pin-11 (Input & Output) of ICBase-2.