Integrated Circuits Used 74LS00 Procedure Connect Pin-7 (Ground) of ICBase-2 (74LS00) to GND Port.Connect Pin-14 (Output) of ICBase-2 (74LS00) to VCC Port.Add IC 74LS00 into ICBase-2 (74LS00).Connect Pin-1 (Input) of ICBase-2 (74LS00) to Input-1.