Phantom YoYo Arduino Proto Shields Prototype Extension Board V3 Compatible UNO R3

Description

On-board 3 leds and a light touch key, just connect the corresponding port can complete a simple experiment.Prototype extending double-sided PCB via links, positive sides can be welded components.IO have SMT solder on the back, easy to fly line connection.Can be placed in the middle of the small breadboard, convenient experimental extension.