diff --git a/data/index.htm b/data/index.htm
index eb02e1a..50b376b 100644
--- a/data/index.htm
+++ b/data/index.htm
@@ -46,36 +46,26 @@
 
         // Test chart
         const ctx = document.getElementById('myChart');
+        dynamicData = {
+                labels: [ "0", "-30", "-60", "-90", "-120", "-160" ],
+                datasets: [{
+                    label: 'temp',
+                    data: [24, 22, 23, 25, 22, 23],
+                    borderColor: "rgba(255,0,0,1)"
+                }, {
+                  label: 'pressure',
+                  data: [1000, 1002, 1003, 999, 996, 1000],
+                  borderColor: "rgba(0,0,255,1)"
+                }
+              ]
+              }
         const myChart = new Chart(ctx, {
             type: 'line',
-            data: {
-                labels: ['Red', 'Blue', 'Yellow', 'Green', 'Purple', 'Orange'],
-                datasets: [{
-                    label: '# of Votes',
-                    data: [12, 19, 3, 5, 2, 3],
-                    backgroundColor: [
-                        'rgba(255, 99, 132, 0.2)',
-                        'rgba(54, 162, 235, 0.2)',
-                        'rgba(255, 206, 86, 0.2)',
-                        'rgba(75, 192, 192, 0.2)',
-                        'rgba(153, 102, 255, 0.2)',
-                        'rgba(255, 159, 64, 0.2)'
-                    ],
-                    borderColor: [
-                        'rgba(255, 99, 132, 1)',
-                        'rgba(54, 162, 235, 1)',
-                        'rgba(255, 206, 86, 1)',
-                        'rgba(75, 192, 192, 1)',
-                        'rgba(153, 102, 255, 1)',
-                        'rgba(255, 159, 64, 1)'
-                    ],
-                    borderWidth: 1
-                }]
-            },
+            data: dynamicData,
             options: {
                 scales: {
                     y: {
-                        beginAtZero: true
+                        beginAtZero: false
                     }
                 }
             }
@@ -127,6 +117,6 @@
       </tr>
     </tbody>
     </table>
-    <canvas id="myChart" width="100%" height="400"></canvas>
+    <canvas id="myChart" width="100%" height="100"></canvas>
   </body>
 </html>