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