Procedure
- Connect Pin-20 (Input & Output) of ICBase-2 to VCC Port.
- Connect Pin-7 (Input & Output) of ICBase-2 to GND Port.
- Connect Pin-1 (Input & Output) of ICBase-2 to Input-1.
- Connect Pin-2 (Input & Output) of ICBase-2 to Input-0.
- Connect Pin-1 (Input & Output) of ICBase-3 to Pin-3 (Input & Output) of ICBase-2.
- Connect Pin-2 (Input & Output) of ICBase-3 to Input-2.
- Connect Pin-3 (Input & Output) of ICBase-3 to Output-0.
- Connect Pin-20 (Input & Output) of ICBase-3 to VCC Port.
- Connect Pin-7 (Input & Output) of ICBase-3 to GND Port.