Procedure
- Connect Pin-14 (Input & Output) of ICBase-1 to Pin-1 (Input & Output) of ICBase-2.
- Connect Pin-13 (Input & Output) of ICBase-1 to Pin-2 (Input & Output) of ICBase-2.
- Connect Pin-7 (Input & Output) of ICBase-1 to Pin-5 (Input & Output) of ICBase-2.