diff --git a/AccelStepper.cpp b/AccelStepper.cpp
index 1714788..7674368 100644
--- a/AccelStepper.cpp
+++ b/AccelStepper.cpp
@@ -189,7 +189,7 @@ boolean AccelStepper::run()
     return _speed != 0.0 || distanceToGo() != 0;
 }
 
-AccelStepper::AccelStepper(uint8_t interface, uint8_t pin1, uint8_t pin2, uint8_t pin3, uint8_t pin4, bool enable)
+void AccelStepper::begin(uint8_t interface, uint8_t pin1, uint8_t pin2, uint8_t pin3, uint8_t pin4, bool enable)
 {
     _interface = interface;
     _currentPos = 0;
diff --git a/AccelStepper.h b/AccelStepper.h
index cc6b6dc..9fdb983 100644
--- a/AccelStepper.h
+++ b/AccelStepper.h
@@ -287,7 +287,8 @@ public:
     /// to pin 5.
     /// \param[in] enable If this is true (the default), enableOutputs() will be called to enable
     /// the output pins at construction time.
-    AccelStepper(uint8_t interface = AccelStepper::FULL4WIRE, uint8_t pin1 = 2, uint8_t pin2 = 3, uint8_t pin3 = 4, uint8_t pin4 = 5, bool enable = true);
+    AccelStepper() {};
+    void begin(uint8_t interface = AccelStepper::FULL4WIRE, uint8_t pin1 = 2, uint8_t pin2 = 3, uint8_t pin3 = 4, uint8_t pin4 = 5, bool enable = true);
 
     /// Alternate Constructor which will call your own functions for forward and backward steps. 
     /// You can have multiple simultaneous steppers, all moving
@@ -437,6 +438,29 @@ public:
 
 protected:
 
+    /// The current interval between steps in microseconds.
+    /// 0 means the motor is currently stopped with _speed == 0
+    unsigned long  _stepInterval;
+
+    /// Current direction motor is spinning in
+    boolean _direction; // 1 == CW
+
+    /// The current absolution position in steps.
+    long           _currentPos;    // Steps
+
+    /// The target position in steps. The AccelStepper library will move the
+    /// motor from the _currentPos to the _targetPos, taking into account the
+    /// max speed, acceleration and deceleration
+    long           _targetPos;     // Steps
+
+    /// The current motos speed in steps per second
+    /// Positive is clockwise
+    float          _speed;         // Steps per second
+
+    /// Arduino pin number assignments for the 2 or 4 pins required to interface to the
+    /// stepper motor or driver
+    uint8_t        _pin[4];
+
     /// \brief Direction indicator
     /// Symbolic names for the direction the motor is turning
     typedef enum
@@ -515,31 +539,14 @@ protected:
     /// pin3, pin4.
     /// \param[in] step The current step phase number (0 to 7)
     virtual void   step8(long step);
-
 private:
     /// Number of pins on the stepper motor. Permits 2 or 4. 2 pins is a
     /// bipolar, and 4 pins is a unipolar.
     uint8_t        _interface;          // 0, 1, 2, 4, 8, See MotorInterfaceType
 
-    /// Arduino pin number assignments for the 2 or 4 pins required to interface to the
-    /// stepper motor or driver
-    uint8_t        _pin[4];
-
     /// Whether the _pins is inverted or not
     uint8_t        _pinInverted[4];
 
-    /// The current absolution position in steps.
-    long           _currentPos;    // Steps
-
-    /// The target position in steps. The AccelStepper library will move the
-    /// motor from the _currentPos to the _targetPos, taking into account the
-    /// max speed, acceleration and deceleration
-    long           _targetPos;     // Steps
-
-    /// The current motos speed in steps per second
-    /// Positive is clockwise
-    float          _speed;         // Steps per second
-
     /// The maximum permitted speed in steps per second. Must be > 0.
     float          _maxSpeed;
 
@@ -548,10 +555,6 @@ private:
     float          _acceleration;
     float          _sqrt_twoa; // Precomputed sqrt(2*_acceleration)
 
-    /// The current interval between steps in microseconds.
-    /// 0 means the motor is currently stopped with _speed == 0
-    unsigned long  _stepInterval;
-
     /// The last step time in microseconds
     unsigned long  _lastStepTime;
 
@@ -588,9 +591,6 @@ private:
     /// Min step size in microseconds based on maxSpeed
     float _cmin; // at max speed
 
-    /// Current direction motor is spinning in
-    boolean _direction; // 1 == CW
-
 };
 
 /// @example Random.pde