Procedure
- Connect Pin-16 (Input & Output) of ICBase-2 to Pin-1 (Input & Output) of ICBase-4.
- Connect Pin-7 (Input & Output) of ICBase-3 to Input-2.
- Connect Pin-11 (Input & Output) of ICBase-3 to Input-1.
- Connect Clock port of 10Hz frequency to Pin-7 (Input & Output) of ICBase-4.