]> aaa-030738 V DD1 = 3.3 V SDA 1 Lower voltage section SCL 1 R p R p R p R p T 1 g s d 3.3 V DEVICE 3.3 V DEVICE Higher voltage section 5 V DEVICE 5 V DEVICE V DD2 = 5 V SDA 2 SCL 2 T 2 g s d