Procedure
- Connect Pin-20 (Input & Output) of ICBase-4 to VCC Port.
- Connect Pin-3 (Input & Output) of ICBase-4 to Output-0.
- Connect Pin-7 (Input & Output) of ICBase-4 to GND Port.
- Connect Pin-2 (Input & Output) of ICBase-4 to Input-7.
- Connect Pin-7 (Input & Output) of ICBase-2 to Input-12.
- Connect Pin-3 (Input & Output) of ICBase-2 to Input-11.
- Connect Pin-5 (Input & Output) of ICBase-2 to Input-10.