Integrated Circuits Used 74LS32 Procedure Add IC 74LS32 into ICBase-1 (74LS32).Connect Pin-20 (VCC) of ICBase-1 (74LS32) to VCC Port.Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS32).Connect Pin-2 (Input) of ICBase-1 (74LS32) to Input-1.