diff --git a/MacVersion.ipynb b/MacVersion.ipynb
new file mode 100644
index 0000000..78395e9
--- /dev/null
+++ b/MacVersion.ipynb
@@ -0,0 +1,99 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5e0cac75",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from ipyleaflet import Map, Marker\n",
+    "import pynmea2\n",
+    "import serial\n",
+    "import io\n",
+    "import gpxpy\n",
+    "import gpxpy.gpx\n",
+    "import signal\n",
+    "import sys\n",
+    "\n",
+    "def signal_handler(sig, frame):\n",
+    "    gpx_file.write(gpx.to_xml())\n",
+    "    gpx_file.truncate()\n",
+    "    gpx_file.close()\n",
+    "    print(\"Quitting\")\n",
+    "    sys.exit(0)\n",
+    "\n",
+    "gpx_file = open('track.gpx', 'w')\n",
+    "gpx_file.seek(0)\n",
+    "gpx = gpxpy.gpx.GPX()\n",
+    "gpx_track = gpxpy.gpx.GPXTrack()\n",
+    "gpx.tracks.append(gpx_track)\n",
+    "gpx_segment = gpxpy.gpx.GPXTrackSegment()\n",
+    "gpx_track.segments.append(gpx_segment)\n",
+    "\n",
+    "ser = serial.Serial('/dev/cu.usbmodem14201', 9600, timeout=5.0)\n",
+    "sio = io.TextIOWrapper(io.BufferedRWPair(ser, ser))\n",
+    "last_time = 0\n",
+    "\n",
+    "signal.signal(signal.SIGINT, signal_handler)\n",
+    "\n",
+    "while True:\n",
+    "    try:\n",
+    "        line = sio.readline().rstrip('\\n')  # Remove newline character\n",
+    "        msg = pynmea2.parse(line)\n",
+    "        latitude = msg.latitude\n",
+    "        longitude = msg.longitude\n",
+    "        # altitude = msg.altitude\n",
+    "        # time = f\"{msg.datestamp}T{msg.timestamp}Z\"\n",
+    "    except serial.SerialException as e:\n",
+    "        # print('Device error: {}'.format(e))\n",
+    "        break\n",
+    "    except pynmea2.ParseError as e:\n",
+    "        # print('Parse error: {}'.format(e))\n",
+    "        continue\n",
+    "    except Exception as e:\n",
+    "        continue\n",
+    "    else:\n",
+    "        if last_time == 0:\n",
+    "            center = (latitude, longitude)\n",
+    "            m = Map(center=center, zoom=15)\n",
+    "            marker = Marker(location=center, draggable=False)\n",
+    "            m.add_layer(marker)\n",
+    "            display(m)\n",
+    "            last_time = time\n",
+    "            last_latitude=latitude\n",
+    "            last_longitude=longitude\n",
+    "            gpx_segment.points.append(gpxpy.gpx.GPXTrackPoint(latitude, longitude))\n",
+    "        else:\n",
+    "            marker.location = (latitude, longitude)\n",
+    "            last_time = time\n",
+    "            if not last_latitude==latitude or not last_longitude==longitude:\n",
+    "                gpx_segment.points.append(gpxpy.gpx.GPXTrackPoint(latitude, longitude))\n",
+    "                print(\"Added gpx point\")\n",
+    "            last_latitude=latitude\n",
+    "            last_longitude=longitude\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}