EV3 Numeric Pad+

Numeric values will be sent to an EV3 bluetooth mailbox and can be used in the LEGO Mindstorms software:

- First 2D Coordinate -> Mailbox x (or a)
- Second 2D Coordinate -> Mailbox y (or b)
- 1D Coordinate -> Mailbox z (or c)
- Buttons 1-4 -> Mailbox w (or d)
- ABCD: Activate Mailbox a,b,c,d
- WXYZ: Activate Mailbox w,x,y,z

Range of values for coordinates : -100 ... 100
Range of values for buttons: 1 ... 4

Requirements:
- Lego Mindstorms EV3 Brick
- Program for the EV3 Brick (developed by yourself)
- Android 2.1 or higher

Tested with Nexus 4 and Nexus 7

Changes V1,1
- Tablet modifications