Procedure
- Connect Pin-3 (Input & Output) of ICBase-3 to Output-0.
- Connect Pin-20 (Input & Output) of ICBase-3 to VCC Port.
- Connect Pin-20 (Input & Output) of ICBase-2 to VCC Port.
- Connect Output-0 to Pin-20 (Input & Output) of ICBase-1.
- Connect GND Port to Pin-7 (Input & Output) of ICBase-3.
- Connect Pin-7 (Input & Output) of ICBase-2 to GND Port.
- Connect Pin-4 (Input & Output) of ICBase-1 to Input-1.