Procedure
- Connect Pin-18 (Input & Output) of ICBase-1 to Pin-1 (Input & Output) of ICBase-1.
- Connect Clock port of 1Hz frequency to Pin-1 (Input & Output) of ICBase-1.
- Connect Pin-7 (Input & Output) of ICBase-1 to Pin-6 (Input & Output) of ICBase-1.
- Connect GND Port to Pin-6 (Input & Output) of ICBase-1.
- Connect VCC Port to Pin-5 (Input & Output) of ICBase-1.
- Connect Pin-1 (Input & Output) of ICBase-3 to Pin-15 (Input & Output) of ICBase-1.
- Connect Pin-2 (Input & Output) of ICBase-3 to Pin-14 (Input & Output) of ICBase-1.
- Connect Pin-18 (Input & Output) of ICBase-2 to Pin-1 (Input & Output) of ICBase-2.
- Connect Pin-6 (Input & Output) of ICBase-2 to Pin-7 (Input & Output) of ICBase-2.
- Connect GND Port to Pin-6 (Input & Output) of ICBase-2.
- Connect VCC Port to Pin-5 (Input & Output) of ICBase-2.
- Connect Pin-4 (Input & Output) of ICBase-3 to Pin-18 (Input & Output) of ICBase-2.
- Connect Pin-5 (Input & Output) of ICBase-3 to Pin-14 (Input & Output) of ICBase-2.
- Connect Seven segment display 2 to Pin-18 (Input & Output) of ICBase-1.
- Connect Seven segment display 2 to Pin-15 (Input & Output) of ICBase-1.
- Connect Pin-2 (Input & Output) of ICBase-2 to Pin-6 (Input & Output) of ICBase-3.
- Connect Pin-3 (Input & Output) of ICBase-2 to Pin-2 (Input & Output) of ICBase-2.
- Connect Pin-2 (Input & Output) of ICBase-1 to Pin-6 (Input & Output) of ICBase-3.
- Connect Pin-3 (Input & Output) of ICBase-1 to Pin-2 (Input & Output) of ICBase-1.