diff --git a/js/utils.js b/js/utils.js
deleted file mode 100644
index 71ac5e4..0000000
--- a/js/utils.js
+++ /dev/null
@@ -1,147 +0,0 @@
-'use strict';
-
-window.chartColors = {
-	red: 'rgb(255, 99, 132)',
-	orange: 'rgb(255, 159, 64)',
-	yellow: 'rgb(255, 205, 86)',
-	green: 'rgb(75, 192, 192)',
-	blue: 'rgb(54, 162, 235)',
-	purple: 'rgb(153, 102, 255)',
-	grey: 'rgb(201, 203, 207)'
-};
-
-(function(global) {
-	var MONTHS = [
-		'January',
-		'February',
-		'March',
-		'April',
-		'May',
-		'June',
-		'July',
-		'August',
-		'September',
-		'October',
-		'November',
-		'December'
-	];
-
-	var COLORS = [
-		'#4dc9f6',
-		'#f67019',
-		'#f53794',
-		'#537bc4',
-		'#acc236',
-		'#166a8f',
-		'#00a950',
-		'#58595b',
-		'#8549ba'
-	];
-
-	var Samples = global.Samples || (global.Samples = {});
-	var Color = global.Color;
-
-	Samples.utils = {
-		// Adapted from http://indiegamr.com/generate-repeatable-random-numbers-in-js/
-		srand: function(seed) {
-			this._seed = seed;
-		},
-
-		rand: function(min, max) {
-			var seed = this._seed;
-			min = min === undefined ? 0 : min;
-			max = max === undefined ? 1 : max;
-			this._seed = (seed * 9301 + 49297) % 233280;
-			return min + (this._seed / 233280) * (max - min);
-		},
-
-		numbers: function(config) {
-			var cfg = config || {};
-			var min = cfg.min || 0;
-			var max = cfg.max || 1;
-			var from = cfg.from || [];
-			var count = cfg.count || 8;
-			var decimals = cfg.decimals || 8;
-			var continuity = cfg.continuity || 1;
-			var dfactor = Math.pow(10, decimals) || 0;
-			var data = [];
-			var i, value;
-
-			for (i = 0; i < count; ++i) {
-				value = (from[i] || 0) + this.rand(min, max);
-				if (this.rand() <= continuity) {
-					data.push(Math.round(dfactor * value) / dfactor);
-				} else {
-					data.push(null);
-				}
-			}
-
-			return data;
-		},
-
-		labels: function(config) {
-			var cfg = config || {};
-			var min = cfg.min || 0;
-			var max = cfg.max || 100;
-			var count = cfg.count || 8;
-			var step = (max - min) / count;
-			var decimals = cfg.decimals || 8;
-			var dfactor = Math.pow(10, decimals) || 0;
-			var prefix = cfg.prefix || '';
-			var values = [];
-			var i;
-
-			for (i = min; i < max; i += step) {
-				values.push(prefix + Math.round(dfactor * i) / dfactor);
-			}
-
-			return values;
-		},
-
-		months: function(config) {
-			var cfg = config || {};
-			var count = cfg.count || 12;
-			var section = cfg.section;
-			var values = [];
-			var i, value;
-
-			for (i = 0; i < count; ++i) {
-				value = MONTHS[Math.ceil(i) % 12];
-				values.push(value.substring(0, section));
-			}
-
-			return values;
-		},
-
-		color: function(index) {
-			return COLORS[index % COLORS.length];
-		},
-
-		transparentize: function(color, opacity) {
-			var alpha = opacity === undefined ? 0.5 : 1 - opacity;
-			return Color(color).alpha(alpha).rgbString();
-		}
-	};
-
-	// DEPRECATED
-	window.randomScalingFactor = function() {
-		return Math.round(Samples.utils.rand(-100, 100));
-	};
-
-	// INITIALIZATION
-
-	Samples.utils.srand(Date.now());
-
-	// Google Analytics
-	/* eslint-disable */
-	if (document.location.hostname.match(/^(www\.)?chartjs\.org$/)) {
-		(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-		(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-		m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-		})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
-		ga('create', 'UA-28909194-3', 'auto');
-		ga('send', 'pageview');
-	}
-	/* eslint-enable */
-
-}(this));
diff --git a/table.html b/table.html
deleted file mode 100644
index 4a0451b..0000000
--- a/table.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <title>min/max</title>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <link rel="stylesheet" href="css/bootstrap.min.css">
-  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
-  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
-</head>
-<body>
-
-<div class="container">
-  <h2>month</h2>
-  <p>The maximum / minimum level:</p>            
-  <table class="table table-hover">
-    <thead>
-      <tr>
-        <th>Sensor</th>
-        <th>minimum</th>
-        <th>maximum</th>
-        <th>average</th>
-      </tr>
-    </thead>
-    <tbody>
-      <tr>
-        <td>temperature</td>
-        <td>10 °C</td>
-        <td>28 °C</td>
-        <td>20 °C</td>
-      </tr>
-      <tr>
-        <td>humidity</td>
-        <td>10 %</td>
-        <td>85 %</td>
-        <td>50 %</td>
-      </tr>
-      <tr>
-        <td>presure</td>
-        <td>957 hPa</td>
-        <td>1016 hPa</td>
-        <td>1000 hPa</td>
-      </tr>
-    </tbody>
-  </table>
-</div>
-
-</body>
-</html>
\ No newline at end of file
diff --git a/testdashboard.html b/testdashboard.html
deleted file mode 100644
index fc5764e..0000000
--- a/testdashboard.html
+++ /dev/null
@@ -1,148 +0,0 @@
-<!doctype html>
-<html>
-
-<head>
-	<title>humidity Chart</title>
-	<script src="js/Chart.min.js"></script>
-	<style>
-	canvas {
-		-moz-user-select: none;
-		-webkit-user-select: none;
-		-ms-user-select: none;
-	}
-	</style>
-</head>
-
-<body>
-	<div id="canvas-holder" style="width:30%">
-		<canvas id="chart-area"></canvas>
-	</div>
-	<button id="changeCircleSize">Semi/Full Circle</button>
-	<script>
-		var randomScalingFactor = function() {
-			return Math.round(Math.random() * 100);
-		};
-
-		var config = {
-			type: 'doughnut',
-			data: {
-				datasets: [{
-					data: [
-						randomScalingFactor(),
-						randomScalingFactor(),
-					],
-					backgroundColor: [
-						'rgb(54, 162, 235)',
-						'lightgrey',
-					],
-					label: 'Dataset 1'
-				}],
-				labels: [
-					'humidity',
-					
-				]
-			},
-			options: {
-				responsive: true,
-				circumference: Math.PI,
-				rotation: Math.PI,
-				legend: {
-					position: 'top',
-				},
-				title: {
-					display: true,
-					text: 'humidity in % '
-				},
-				animation: {
-					animateScale: true,
-					animateRotate: true
-				}
-			}
-		};
-
-		window.onload = function() {
-			var ctx = document.getElementById('chart-area').getContext('2d');
-			window.myDoughnut = new Chart(ctx, config);
-		};
-/*
-		document.getElementById('randomizeData').addEventListener('click', function() {
-			config.data.datasets.forEach(function(dataset) {
-				dataset.data = dataset.data.map(function() {
-					return randomScalingFactor();
-				});
-			});
-
-			window.myDoughnut.update();
-		});
-
-		var colorNames = Object.keys(window.chartColors);
-		document.getElementById('addDataset').addEventListener('click', function() {
-			var newDataset = {
-				backgroundColor: [],
-				data: [],
-				label: 'New dataset ' + config.data.datasets.length,
-			};
-
-			for (var index = 0; index < config.data.labels.length; ++index) {
-				newDataset.data.push(randomScalingFactor());
-
-				var colorName = colorNames[index % colorNames.length];
-				var newColor = window.chartColors[colorName];
-				newDataset.backgroundColor.push(newColor);
-			}
-
-			config.data.datasets.push(newDataset);
-			window.myDoughnut.update();
-		});
-
-		document.getElementById('addData').addEventListener('click', function() {
-			if (config.data.datasets.length > 0) {
-				config.data.labels.push('data #' + config.data.labels.length);
-
-				var colorName = colorNames[config.data.datasets[0].data.length % colorNames.length];
-				var newColor = window.chartColors[colorName];
-
-				config.data.datasets.forEach(function(dataset) {
-					dataset.data.push(randomScalingFactor());
-					dataset.backgroundColor.push(newColor);
-				});
-
-				window.myDoughnut.update();
-			}
-		});
-
-		document.getElementById('removeDataset').addEventListener('click', function() {
-			config.data.datasets.splice(0, 1);
-			window.myDoughnut.update();
-		});
-
-		document.getElementById('removeData').addEventListener('click', function() {
-			config.data.labels.splice(-1, 1); // remove the label first
-
-			config.data.datasets.forEach(function(dataset) {
-				dataset.data.pop();
-				dataset.backgroundColor.pop();
-			});
-
-			window.myDoughnut.update();
-		});
-
-        */
-
-		document.getElementById('changeCircleSize').addEventListener('click', function() {
-			if (window.myDoughnut.options.circumference === Math.PI) {
-				window.myDoughnut.options.circumference = 2 * Math.PI;
-				window.myDoughnut.options.rotation = -Math.PI / 2;
-			} else {
-				window.myDoughnut.options.circumference = Math.PI;
-				window.myDoughnut.options.rotation = -Math.PI;
-			}
-
-			window.myDoughnut.update();
-        });
-        
-    
-	</script>
-</body>
-
-</html>

Sensor	minimum	maximum	average
temperature	10 °C	28 °C	20 °C
humidity	10 %	85 %	50 %
presure	957 hPa	1016 hPa	1000 hPa