arduinoledmask Neutrogena LED mask Arduino MOD LCD PIN List REF:GDC02693 PIN 1 2 3 4 5 6 7 8 COM1 1D 1E 1F 1A COM1 COM2 1C 1G 1B COM2 COM3 2D 2E 2F 2A COM3 COM4 2C 2G 2B COM4
