Development Board, IC Transistor, Diode manufacturer / supplier in China, offering Ca-1235 3A Adjustable Module Output 1.25V 1.5 2.5 3.3 5V, The Latest Version Is Applicable to The Official Version of The Uno R3 Development Board, Atmega16u2, with 1 USB Cable Included, USB DC Buck Module 12V24V to QC3.0 Fast Charging Mobile Phone Charging Board and so on.