diff --git a/darkwater/DW640.cpp b/darkwater/DW640.cpp
index bee6189..cee56b9 100644
--- a/darkwater/DW640.cpp
+++ b/darkwater/DW640.cpp
@@ -328,6 +328,24 @@ void DW640::setServoPWMuS(uint8_t servo, float length_uS) {
 
 }
 
+/* Stepper functions */
+
+void DW640::setStepperOff(uint8_t stepper) {
+
+}
+
+void DW640::setStepperSpeed(uint8_t stepper, uint16_t speed) {
+
+}
+
+void DW640::oneStep(uint8_t stepper, uint8_t direction, uint8_t style) {
+
+}
+
+void DW640::step(uint8_t stepper, uint16_t steps, uint8_t direction, uint8_t style) {
+	
+}
+
 /* Private functions */
 
 uint16_t DW640::map(uint16_t x, uint16_t in_min, uint16_t in_max, uint16_t out_min, uint16_t out_max)
diff --git a/darkwater/DW640.h b/darkwater/DW640.h
index 0570b3e..b78c340 100644
--- a/darkwater/DW640.h
+++ b/darkwater/DW640.h
@@ -95,10 +95,10 @@ class DW640 {
         void setServoPWMmS(uint8_t servo, float length_mS);
         void setServoPWMuS(uint8_t servo, float length_uS);
 
-        // void setStepperOff(uint8_t stepper);
-        // void setStepperSpeed(uint8_t stepper, uint16_t speed);
-        // void oneStep(uint8_t stepper, uint8_t direction, uint8_t style);
-        // void step(uint8_t stepper, uint16_t steps, uint8_t direction, uint8_t style);
+        void setStepperOff(uint8_t stepper);
+        void setStepperSpeed(uint8_t stepper, uint16_t speed);
+        void oneStep(uint8_t stepper, uint8_t direction, uint8_t style);
+        void step(uint8_t stepper, uint16_t steps, uint8_t direction, uint8_t style = DW_SINGLE);
 
      private:
         uint8_t devAddr;