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