diff --git a/src/arduino/shift_lights/shift_lights.ino.orig b/src/arduino/shift_lights/shift_lights.ino.orig
deleted file mode 100644
index 4bd7cd6..0000000
--- a/src/arduino/shift_lights/shift_lights.ino.orig
+++ /dev/null
@@ -1,93 +0,0 @@
-#include <FastLED.h>
-#include "../../monocoque/simulatorapi/simdata.h"
-
-#define BYTE_SIZE sizeof(SimData)
-
-#define LED_PIN     7
-#define NUM_LEDS    6
-
-CRGB leds[NUM_LEDS];
-SimData sd;
-int maxrpm = 0;
-int rpm = 0;
-int numlights = NUM_LEDS;
-int pin = LED_PIN;
-int lights[6];
-
-
-void setup() {
-
-  Serial.begin(9600);
-  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
-  FastLED.setMaxPowerInVoltsAndMilliamps(5, 500);
-  FastLED.setBrightness(40);
-  for (int i = 0; i < numlights; i++)
-  {
-    leds[i] = CRGB ( 0, 0, 0);
-    lights[i] = 0;
-  }
-  FastLED.clear();
-
-  sd.rpms = 0;
-  sd.maxrpm = 6500;
-  sd.altitude = 10;
-  sd.pulses = 40000;
-  sd.velocity = 10;
-}
-
-void loop() {
-
-  int l = 0;
-  char buff[BYTE_SIZE];
-
-  if (Serial.available() >= BYTE_SIZE) {
-    Serial.readBytes(buff, BYTE_SIZE);
-    memcpy(&sd, &buff, BYTE_SIZE);
-    rpm = sd.rpms;
-    maxrpm = sd.maxrpm;
-
-  }
-
-
-  while (l < numlights)
-  {
-    lights[l] = 0;
-    l++;
-  }
-  l = -1; 
-  int rpmlights = 0;
-  while (rpm > rpmlights)
-  {
-    if (l>=0)
-    {
-      lights[l] = 1;
-    }
-    l++;
-    rpmlights = rpmlights + (((maxrpm-250)/numlights));
-  }
-
-  l = 0;
-  FastLED.clear();
-  while (l < numlights)
-  {
-
-    if (l >= numlights / 2)
-    {
-      leds[l] = CRGB ( 0, 0, 255);
-    }
-    if (l < numlights / 2)
-    {
-      leds[l] = CRGB ( 0, 255, 0);
-    }
-    if (l == numlights - 1)
-    {
-      leds[l] = CRGB ( 255, 0, 0);
-    }
-    if (lights[l] <= 0)
-    {
-      leds[l] = CRGB ( 0, 0, 0);
-    }
-    FastLED.show();
-    l++;
-  }
-}
diff --git a/src/arduino/simwind/simwind.ino b/src/arduino/simwind/simwind.ino
new file mode 100644
index 0000000..64d424f
--- /dev/null
+++ b/src/arduino/simwind/simwind.ino
@@ -0,0 +1,51 @@
+#include <Adafruit_MotorShield.h>
+#include "../../monocoque/simulatorapi/simdata.h"
+
+#define BYTE_SIZE sizeof(SimData)
+#define KPHTOMPH .621317
+
+
+Adafruit_MotorShield AFMS = Adafruit_MotorShield();
+
+Adafruit_DCMotor *myMotor1 = AFMS.getMotor(1);
+Adafruit_DCMotor *myMotor2 = AFMS.getMotor(3);
+
+SimData sd;
+int velocity = 0;
+
+void setup() {
+    Serial.begin(9600);
+    if (!AFMS.begin()) {
+        Serial.println("Could not find Motor Shield. Check wiring.");
+        while (1);
+    }
+    sd.rpms = 0;
+    sd.maxrpm = 6500;
+    sd.altitude = 10;
+    sd.pulses = 40000;
+    sd.velocity = 10;
+
+    myMotor1->setSpeed(0);
+    myMotor1->run(FORWARD);
+
+    myMotor2->setSpeed(0);
+    myMotor2->run(FORWARD);
+}
+
+void loop() {
+    char buff[BYTE_SIZE];
+
+    if (Serial.available() >= BYTE_SIZE)
+    {
+        Serial.readBytes(buff, BYTE_SIZE);
+        memcpy(&sd, &buff, BYTE_SIZE);
+        velocity = sd.velocity;
+    }
+    int v = ceil(velocity * KPHTOMPH);
+    if (v >= 255)
+    {
+      v = 255;
+    }
+    myMotor1->setSpeed(v);
+    myMotor2->setSpeed(v);
+}