 
 #define Z_POSITION       16      // PIN FOR THE DIGITAL INPUT FOR THE HEAD POSITION
 
-#define PING             13 
+#define PING             13
+
+#define LIGHT            20      // Pin for turn on/off lighting on the ball (Great for a technical maintenance ;) )
+#define TRIGGER_LIGHT    21      // Pin trigger for the lighting 
 
 #define CurrentBat1      0
 #define CurrentBat2      1


 https://github.com/Gruniek/OPEN-BB-X
 Made by Daniel M/Gruniek/
 
 Compatible only with an Arduino MEGA 2560 and the specific PCB.
 PCB Link : https://github.com/Gruniek/OPEN-BB-X/tree/master/Head/Stabiliser/PCB
 
 --------------
 - Change log -
 --------------
 
 11/2016
 =========
 - Conversion for a Arduino Mega 2560 Board

bool dirA          = true;   // true = Front | false = back
bool dirB          = true;   // true = Front | false = back

int x              = 0;
int y              = 0;
int vx             = 0;
int vy             = 0;

int speedX         = 0;
int speedY         = 0;
int speedZ         = 0;
int setpointX      = 90;
int setpointY      = 90;

int Zangle         = 0;
bool newData       = false;
