diff --git a/Source/SerialInterface.h b/Source/SerialInterface.h
index 331143e2f2..acaa25d8eb 100644
--- a/Source/SerialInterface.h
+++ b/Source/SerialInterface.h
@@ -10,7 +10,7 @@ int init_port (int baud);
 int read_sensors(int first_measurement, float * avg_adc_channels, int * adc_channels, int * samples_averaged, int * LED_state);
 
 #define NUM_CHANNELS 6
-#define SERIAL_PORT_NAME "/dev/tty.usbmodemfd131"
+#define SERIAL_PORT_NAME "/dev/tty.usbmodem411"
 
 //  Acceleration sensors, in screen/world coord system (X = left/right, Y = Up/Down, Z = fwd/back)
 #define ACCEL_X 4 
diff --git a/Source/oscilloscope.cpp b/Source/oscilloscope.cpp
new file mode 100644
index 0000000000..a589906322
--- /dev/null
+++ b/Source/oscilloscope.cpp
@@ -0,0 +1,30 @@
+//
+//  oscilloscope.cpp
+//  interface
+//
+//  Created by Philip on 1/28/13.
+//  Copyright (c) 2013 Rosedale Lab. All rights reserved.
+//
+
+#include "oscilloscope.h"
+
+Oscilloscope::Oscilloscope(int w,
+                           int h) {
+    width = w;
+    height = h;
+    data = new float[width];
+    for (int i = 0; i < width; i++) {
+        data[i] = 0.0;
+    }
+    current_sample = 0;
+}
+
+void Oscilloscope::addData(float d) {
+    data[current_sample++] = d;
+}
+
+void Oscilloscope::render() {
+    glBegin(GL_LINES);
+    //glVertex2f(
+    glEnd();
+}
\ No newline at end of file
diff --git a/Source/oscilloscope.h b/Source/oscilloscope.h
new file mode 100644
index 0000000000..2a9edf8cee
--- /dev/null
+++ b/Source/oscilloscope.h
@@ -0,0 +1,30 @@
+//
+//  oscilloscope.h
+//  interface
+//
+//  Created by Philip on 1/28/13.
+//  Copyright (c) 2013 Rosedale Lab. All rights reserved.
+//
+
+#ifndef __interface__oscilloscope__
+#define __interface__oscilloscope__
+
+#include "glm.hpp"
+#include "util.h"
+#include "world.h"
+#include <GLUT/glut.h>
+#include <iostream>
+
+class Oscilloscope {
+public:
+    Oscilloscope(int width,
+                int height);
+    void addData(float data);
+    void render();
+private:
+    int width;
+    int height;
+    float * data;
+    int current_sample;
+};
+#endif /* defined(__interface__oscilloscope__) */
diff --git a/Source/util.cpp b/Source/util.cpp
index d33ac70c66..9bd3df2590 100644
--- a/Source/util.cpp
+++ b/Source/util.cpp
@@ -29,8 +29,6 @@ float angle_to(glm::vec3 head_pos, glm::vec3 source_pos, float render_yaw, float
     return atan2(head_pos.x - source_pos.x, head_pos.z - source_pos.z) * 180 / PI + render_yaw + head_yaw;
 }
 
-
-
 void render_vector(glm::vec3 * vec)
 {
     //  Show edge of world 
diff --git a/interface.xcodeproj/project.pbxproj b/interface.xcodeproj/project.pbxproj
index ebc198df7c..c5ae3b0d68 100644
--- a/interface.xcodeproj/project.pbxproj
+++ b/interface.xcodeproj/project.pbxproj
@@ -59,6 +59,7 @@
 		B6BDADE415F44AC7002A07DF /* AudioUnit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B6BDADDC15F444D3002A07DF /* AudioUnit.framework */; };
 		D40BDFD513404BA300B0BE1F /* GLUT.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D40BDFD413404BA300B0BE1F /* GLUT.framework */; };
 		D40BDFD713404BB300B0BE1F /* OpenGL.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D40BDFD613404BB300B0BE1F /* OpenGL.framework */; };
+		D477AEAC16B7696200F3F8F6 /* oscilloscope.cpp in Sources */ = {isa = PBXBuildFile; fileRef = D477AEAA16B7696200F3F8F6 /* oscilloscope.cpp */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -513,6 +514,8 @@
 		B6BDADDE15F444DB002A07DF /* CoreServices.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreServices.framework; path = System/Library/Frameworks/CoreServices.framework; sourceTree = SDKROOT; };
 		D40BDFD413404BA300B0BE1F /* GLUT.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = GLUT.framework; path = /System/Library/Frameworks/GLUT.framework; sourceTree = "<absolute>"; };
 		D40BDFD613404BB300B0BE1F /* OpenGL.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = OpenGL.framework; path = /System/Library/Frameworks/OpenGL.framework; sourceTree = "<absolute>"; };
+		D477AEAA16B7696200F3F8F6 /* oscilloscope.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = oscilloscope.cpp; sourceTree = "<group>"; };
+		D477AEAB16B7696200F3F8F6 /* oscilloscope.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = oscilloscope.h; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -623,6 +626,8 @@
 				5325C24B16AF4DBE0051A40B /* texture.cpp */,
 				5325C24C16AF4DBE0051A40B /* texture.h */,
 				5325C24D16AF4DBE0051A40B /* util.cpp */,
+				D477AEAA16B7696200F3F8F6 /* oscilloscope.cpp */,
+				D477AEAB16B7696200F3F8F6 /* oscilloscope.h */,
 				5325C24E16AF4DBE0051A40B /* util.h */,
 				5325C24F16AF4DBE0051A40B /* world.h */,
 			);
@@ -1364,6 +1369,7 @@
 				5325C26016AF4DBE0051A40B /* texture.cpp in Sources */,
 				5325C26116AF4DBE0051A40B /* util.cpp in Sources */,
 				5325C26416AF4E2C0051A40B /* audio.cpp in Sources */,
+				D477AEAC16B7696200F3F8F6 /* oscilloscope.cpp in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate b/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate
index 0cd3691198..325c38ce91 100644
Binary files a/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate and b/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate differ