Description: The Screw terminal can be screwed directly to the terminal on the thread and is reliable and convenient. It can be plugged into the Ar-duino controller. You can use this shield to save yourself from the bad port connection. Feel secure with this ar-duino-compatible screw shield. Both sides of the shield are broken out to the side of the Ar-duino, to allow access to everything on the main Ar-duino board. Stacking headers are also included so you can pile more shields on top. Features: Combines the function of Ar-duino Screw Shield and Sensor Shield Expand all of IO interfaces from Ar-duino Compatible with Arudino UNO R3、Arudino UNO、Duemilanove Package included: 2 x Screw Shield V2 Expansion Board

★Reliable and Convenient. ★Can use this shield to save yourself from the bad port connection. ★Let your Ar-duino breadboard wiring project to get rid of the shackles that line structures become simple and reliable. ★Can also superimposed other expansion boards. ★The terminal expansion board Ar-duino controller can be extended out of the terminal.