[Discontinued] SainSmart UNO R3+2-Channel 5V Relay Starter Kit with 18 Basic Arduino Projects Out of Stock_UK The second one is a

The second one is a not connected pin

1*SainSmart LCD Keypad Shield

1x SainSmart PLA 3D Printing Filament

Dimensions and Weight: 195 x 92 x 55mm

[Discontinued] SainSmart UNO R3+2-Channel 5V Relay Starter Kit with 18 Basic Arduino Projects Out of Stock_UK The second one is aDescription: Whole New Version Starter Kit Downloadable Arduino is an open source physical computing platform based on a simple i o board and a development environment that implements the Processing Wiring language. Arduino can be used to develop stand alone interactive objects or can be connected to software on your computer (e. g. Flash, Processing, MaxMSP). The open source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux).