Gray Code" - an innovative digital circuit design by Vaidat Patel using 74LS86. Circuit stats: 1 ICs. View, edit, or fork this circuit on DeldSim." /> Gray Code" - an innovative digital circuit design by Vaidat Patel using 74LS86. Circuit stats: 1 ICs. View, edit, or fork this circuit on DeldSim." /> Gray Code" - an innovative digital circuit design by Vaidat Patel using 74LS86. Circuit stats: 1 ICs. View, edit, or fork this circuit on DeldSim." />