SUKRAGRAHA FT232RL Serials Adapter Module Mini Port USB to TTL 3.3V 5.5V Board Module for Arduino Genuino System TTL / CMO Level Dimension: 17 mm x 32.5 mm Support 3.5V 5V use reliable FT232RL Chipset (of USB 2.0 Group) 500 mA Fuse is attached