Procedure
- Connect Pin-20 (Input & Output) of ICBase-1 to VCC Port.
- Connect Pin-1 (Input & Output) of ICBase-1 to Input-15.
- Connect Pin-20 (Input & Output) of ICBase-2 to VCC Port.
- Connect Pin-20 (Input & Output) of ICBase-3 to VCC Port.
- Connect GND Port to Pin-7 (Input & Output) of ICBase-3.
- Connect GND Port to Pin-7 (Input & Output) of ICBase-2.
- Connect Pin-1 (Input & Output) of ICBase-2 to Input-15.
- Connect Pin-1 (Input & Output) of ICBase-3 to Pin-2 (Input & Output) of ICBase-2.
- Connect Pin-3 (Input & Output) of ICBase-2 to Input-14.
- Connect Pin-2 (Input & Output) of ICBase-3 to Pin-4 (Input & Output) of ICBase-2.
- Connect Output-12 to Pin-3 (Input & Output) of ICBase-3.