Procedure
- Connect Pin-20 (Input & Output) of ICBase-2 to VCC Port.
- Connect Pin-1 (Input & Output) of ICBase-2 to Input-9.
- Connect Pin-2 (Input & Output) of ICBase-2 to Input-8.
- Connect Pin-7 (Input & Output) of ICBase-2 to GND Port.
- Connect Pin-3 (Input & Output) of ICBase-2 to Output-7.
- Connect Pin-7 (Input & Output) of ICBase-3 to Pin-20 (Input & Output) of ICBase-3.