
const char indexHTML[] PROGMEM = R"=====(
<!DOCTYPE html>
<html><head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
<title>ADC Anzeigeinstrument</title>
<script src="gauge.min.js"></script>

<script type="text/javascript">
var myAjax = false;
window.onload = start;

function start () 
{ 
Url="/";
if (window.XMLHttpRequest) { // Mozilla, Safari,...
      myAjax = new XMLHttpRequest();
      if (myAjax.overrideMimeType) {
        myAjax.overrideMimeType('text/xml');        
      }
    } else if (window.ActiveXObject) { // IE
      try {
        myAjax = new ActiveXObject("Msxml2.XMLHTTP");
      } catch (e) {
        try {
          myAjax = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e) {}
      }
    }
  myAjax.onreadystatechange=LesenAjax;  
}
 
 function aktualisieren()
{ 

document.getElementById('Online').style.background = "red";

  if (!myAjax) 
  {
    return false;
  } 
  else 
  {  
myAjax.open("GET",Url+"ADC.txt",true);
myAjax.send();
   }
}
 
 function LesenAjax() 
{
      if (myAjax.readyState==4 && myAjax.status==200)
    {

var Temp=0.5;
Temp = parseFloat (myAjax.responseText);
Gauge.Collection.get('gauge1').setValue(Temp);
document.getElementById('Online').style.background = "#ddd";
    }
}
</script>

<style type="text/css">
#wrap
{
text-align: center; 
vertical-align: middle; 
max-width: 900px; 
margin:0 auto;
background:#dcd;
border-radius: 10px;
padding:10px;       /*innen*/
}

.Form-Einstellungen
{
border: 1px solid #666666;
margin: 10px;      /*aussen*/
padding:5px;       /*innen*/
border-radius: 10px;
background:#ddd;

}

.but
{
border-radius: 5px;
background:lightgreen;
}

#Online
{
display: inline-block;
float: left;
border: 1px solid #666666;
border-radius: 10px;
width: 20px;
}
</style>
</head><body>
<div id="wrap">
<div class="Form-Einstellungen">
Anzeigeinstrument für Kühlschranktemperatur
      <div id="Online">   &ensp;</div>
</div>
<div class="Anzeige">      
<canvas id="gauge1" width="500" height="500" 
data-type="canv-gauge" 
data-title="Temperatur" 
data-min-value="-4" 
data-max-value="15" 
data-major-ticks="-4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15" 
data-minor-ticks="2" 
data-stroke-ticks="true" 
data-units="°C" 
data-value-format="2.2" 
data-glow="true" 
data-animation-delay="5" 
data-animation-duration="2000" 
data-animation-fn="bounce" 
data-colors-needle="#f00 #00f" 
data-highlights="0 30 #fff"
data-onready="setInterval(aktualisieren,1000);"
></canvas><br>
</div>
</div>
</body>
</html>
)=====" ;


const char gauge[] PROGMEM = R"=====(
var Gauge=function(b){function l(a,b){for(var c in b)"object"==typeof b[c]&&"[object Array]"!==Object.prototype.toString.call(b[c])&&"renderTo"!=c?("object"!=typeof a[c]&&(a[c]={}),l(a[c],b[c])):a[c]=b[c]}function q(){z.width=b.width;z.height=b.height;A=z.cloneNode(!0);B=A.getContext("2d");C=z.width;D=z.height;t=C/2;u=D/2;f=t<u?t:u;A.i8d=!1;B.translate(t,u);B.save();a.translate(t,u);a.save()}function v(a){var b=new Date;G=setInterval(function(){var c=(new Date-b)/a.duration;1<c&&(c=1);var f=("function"==
typeof a.delta?a.delta:M[a.delta])(c);a.step(f);1==c&&clearInterval(G)},a.delay||10)}function k(){G&&clearInterval(G);var a=I-n,h=n,c=b.animation;v({delay:c.delay,duration:c.duration,delta:c.fn,step:function(b){n=parseFloat(h)+a*b;E.draw()}})}function e(a){return a*Math.PI/180}function g(b,h,c){c=a.createLinearGradient(0,0,0,c);c.addColorStop(0,b);c.addColorStop(1,h);return c}function p(){var m=93*(f/100),h=f-m,c=91*(f/100),e=88*(f/100),d=85*(f/100);a.save();b.glow&&(a.shadowBlur=h,a.shadowColor=
"rgba(0, 0, 0, 0.5)");a.beginPath();a.arc(0,0,m,0,2*Math.PI,!0);a.fillStyle=g("#ddd","#aaa",m);a.fill();a.restore();a.beginPath();a.arc(0,0,c,0,2*Math.PI,!0);a.fillStyle=g("#fafafa","#ccc",c);a.fill();a.beginPath();a.arc(0,0,e,0,2*Math.PI,!0);a.fillStyle=g("#eee","#f0f0f0",e);a.fill();a.beginPath();a.arc(0,0,d,0,2*Math.PI,!0);a.fillStyle=b.colors.plate;a.fill();a.save()}function w(a){var h=!1;a=0===b.majorTicksFormat.dec?Math.round(a).toString():a.toFixed(b.majorTicksFormat.dec);return 1<b.majorTicksFormat["int"]?
(h=-1<a.indexOf("."),-1<a.indexOf("-")?"-"+(b.majorTicksFormat["int"]+b.majorTicksFormat.dec+2+(h?1:0)-a.length)+a.replace("-",""):""+(b.majorTicksFormat["int"]+b.majorTicksFormat.dec+1+(h?1:0)-a.length)+a):a}function d(){var m=81*(f/100);a.lineWidth=2;a.strokeStyle=b.colors.majorTicks;a.save();if(0===b.majorTicks.length){for(var h=(b.maxValue-b.minValue)/5,c=0;5>c;c++)b.majorTicks.push(w(b.minValue+h*c));b.majorTicks.push(w(b.maxValue))}for(c=0;c<b.majorTicks.length;++c)a.rotate(e(45+c*(270/(b.majorTicks.length-
1)))),a.beginPath(),a.moveTo(0,m),a.lineTo(0,m-15*(f/100)),a.stroke(),a.restore(),a.save();b.strokeTicks&&(a.rotate(e(90)),a.beginPath(),a.arc(0,0,m,e(45),e(315),!1),a.stroke(),a.restore(),a.save())}function J(){var m=81*(f/100);a.lineWidth=1;a.strokeStyle=b.colors.minorTicks;a.save();for(var h=b.minorTicks*(b.majorTicks.length-1),c=0;c<h;++c)a.rotate(e(45+c*(270/h))),a.beginPath(),a.moveTo(0,m),a.lineTo(0,m-7.5*(f/100)),a.stroke(),a.restore(),a.save()}function s(){for(var m=55*(f/100),h=0;h<b.majorTicks.length;++h){var c=
F(m,e(45+h*(270/(b.majorTicks.length-1))));a.font=20*(f/200)+"px Arial";a.fillStyle=b.colors.numbers;a.lineWidth=0;a.textAlign="center";a.fillText(b.majorTicks[h],c.x,c.y+3)}}function x(a){var h=b.valueFormat.dec,c=b.valueFormat["int"];a=parseFloat(a);var f=0>a;a=Math.abs(a);if(0<h){a=a.toFixed(h).toString().split(".");h=0;for(c-=a[0].length;h<c;++h)a[0]="0"+a[0];a=(f?"-":"")+a[0]+"."+a[1]}else{a=Math.round(a).toString();h=0;for(c-=a.length;h<c;++h)a="0"+a;a=(f?"-":"")+a}return a}function F(a,b){var c=
Math.sin(b),f=Math.cos(b);return{x:0*f-a*c,y:0*c+a*f}}function N(){a.save();for(var m=81*(f/100),h=m-15*(f/100),c=0,g=b.highlights.length;c<g;c++){var d=b.highlights[c],r=(b.maxValue-b.minValue)/270,k=e(45+(d.from-b.minValue)/r),r=e(45+(d.to-b.minValue)/r);a.beginPath();a.rotate(e(90));a.arc(0,0,m,k,r,!1);a.restore();a.save();var l=F(h,k),p=F(m,k);a.moveTo(l.x,l.y);a.lineTo(p.x,p.y);var p=F(m,r),n=F(h,r);a.lineTo(p.x,p.y);a.lineTo(n.x,n.y);a.lineTo(l.x,l.y);a.closePath();a.fillStyle=d.color;a.fill();
a.beginPath();a.rotate(e(90));a.arc(0,0,h,k-0.2,r+0.2,!1);a.restore();a.closePath();a.fillStyle=b.colors.plate;a.fill();a.save()}}function K(){var m=12*(f/100),h=8*(f/100),c=77*(f/100),d=20*(f/100),k=4*(f/100),r=2*(f/100),l=function(){a.shadowOffsetX=2;a.shadowOffsetY=2;a.shadowBlur=10;a.shadowColor="rgba(188, 143, 143, 0.45)"};l();a.save();n=0>n?Math.abs(b.minValue-n):0<b.minValue?n-b.minValue:Math.abs(b.minValue)+n;a.rotate(e(45+n/((b.maxValue-b.minValue)/270)));a.beginPath();a.moveTo(-r,-d);a.lineTo(-k,
0);a.lineTo(-1,c);a.lineTo(1,c);a.lineTo(k,0);a.lineTo(r,-d);a.closePath();a.fillStyle=g(b.colors.needle.start,b.colors.needle.end,c-d);a.fill();a.beginPath();a.lineTo(-0.5,c);a.lineTo(-1,c);a.lineTo(-k,0);a.lineTo(-r,-d);a.lineTo(r/2-2,-d);a.closePath();a.fillStyle="rgba(255, 255, 255, 0.2)";a.fill();a.restore();l();a.beginPath();a.arc(0,0,m,0,2*Math.PI,!0);a.fillStyle=g("#f0f0f0","#ccc",m);a.fill();a.restore();a.beginPath();a.arc(0,0,h,0,2*Math.PI,!0);a.fillStyle=g("#e8e8e8","#f5f5f5",h);a.fill()}
function L(){a.save();a.font=40*(f/200)+"px Led";var b=x(y),h=a.measureText("-"+x(0)).width,c=f-33*(f/100),g=0.12*f;a.save();var d=-h/2-0.025*f,e=c-g-0.04*f,h=h+0.05*f,g=g+0.07*f,k=0.025*f;a.beginPath();a.moveTo(d+k,e);a.lineTo(d+h-k,e);a.quadraticCurveTo(d+h,e,d+h,e+k);a.lineTo(d+h,e+g-k);a.quadraticCurveTo(d+h,e+g,d+h-k,e+g);a.lineTo(d+k,e+g);a.quadraticCurveTo(d,e+g,d,e+g-k);a.lineTo(d,e+k);a.quadraticCurveTo(d,e,d+k,e);a.closePath();d=a.createRadialGradient(0,c-0.12*f-0.025*f+(0.12*f+0.045*f)/
2,f/10,0,c-0.12*f-0.025*f+(0.12*f+0.045*f)/2,f/5);d.addColorStop(0,"#888");d.addColorStop(1,"#666");a.strokeStyle=d;a.lineWidth=0.05*f;a.stroke();a.shadowBlur=0.012*f;a.shadowColor="rgba(0, 0, 0, 1)";a.fillStyle="#babab2";a.fill();a.restore();a.shadowOffsetX=0.004*f;a.shadowOffsetY=0.004*f;a.shadowBlur=0.012*f;a.shadowColor="rgba(0, 0, 0, 0.3)";a.fillStyle="#444";a.textAlign="center";a.fillText(b,-0,c);a.restore()}Gauge.Collection.push(this);this.config={renderTo:null,width:200,height:200,title:!1,
maxValue:100,minValue:0,majorTicks:[],minorTicks:10,strokeTicks:!0,units:!1,valueFormat:{"int":3,dec:2},majorTicksFormat:{"int":1,dec:0},glow:!0,animation:{delay:10,duration:250,fn:"cycle"},colors:{plate:"#fff",majorTicks:"#444",minorTicks:"#666",title:"#888",units:"#888",numbers:"#444",needle:{start:"rgba(240, 128, 128, 1)",end:"rgba(255, 160, 122, .9)"}},highlights:[{from:20,to:60,color:"#eee"},{from:60,to:80,color:"#ccc"},{from:80,to:100,color:"#999"}]};var y=0,E=this,n=0,I=0,H=!1;this.setValue=
function(a){n=b.animation?y:a;var d=(b.maxValue-b.minValue)/100;I=a>b.maxValue?b.maxValue+d:a<b.minValue?b.minValue-d:a;y=a;b.animation?k():this.draw();return this};this.setRawValue=function(a){n=y=a;this.draw();return this};this.clear=function(){y=n=I=this.config.minValue;this.draw();return this};this.getValue=function(){return y};this.onready=function(){};l(this.config,b);this.config.minValue=parseFloat(this.config.minValue);this.config.maxValue=parseFloat(this.config.maxValue);b=this.config;n=
y=b.minValue;if(!b.renderTo)throw Error("Canvas element was not specified when creating the Gauge object!");var z=b.renderTo.tagName?b.renderTo:document.getElementById(b.renderTo),a=z.getContext("2d"),A,C,D,t,u,f,B;q();this.updateConfig=function(a){l(this.config,a);q();this.draw();return this};var M={linear:function(a){return a},quad:function(a){return Math.pow(a,2)},quint:function(a){return Math.pow(a,5)},cycle:function(a){return 1-Math.sin(Math.acos(a))},bounce:function(a){a:{a=1-a;for(var b=0,
c=1;;b+=c,c/=2)if(a>=(7-4*b)/11){a=-Math.pow((11-6*b-11*a)/4,2)+Math.pow(c,2);break a}a=void 0}return 1-a},elastic:function(a){a=1-a;return 1-Math.pow(2,10*(a-1))*Math.cos(30*Math.PI/3*a)}},G=null;a.lineCap="round";this.draw=function(){if(!A.i8d){B.clearRect(-t,-u,C,D);B.save();var g={ctx:a};a=B;p();N();J();d();s();b.title&&(a.save(),a.font=24*(f/200)+"px Arial",a.fillStyle=b.colors.title,a.textAlign="center",a.fillText(b.title,0,-f/4.25),a.restore());b.units&&(a.save(),a.font=22*(f/200)+"px Arial",
a.fillStyle=b.colors.units,a.textAlign="center",a.fillText(b.units,0,f/3.25),a.restore());A.i8d=!0;a=g.ctx;delete g.ctx}a.clearRect(-t,-u,C,D);a.save();a.drawImage(A,-t,-u,C,D);if(Gauge.initialized)L(),K(),H||(E.onready&&E.onready(),H=!0);else var e=setInterval(function(){Gauge.initialized&&(clearInterval(e),L(),K(),H||(E.onready&&E.onready(),H=!0))},10);return this}};Gauge.initialized=!1;
(function(){var b=document,l=b.getElementsByTagName("head")[0],q=-1!=navigator.userAgent.toLocaleLowerCase().indexOf("msie"),v="@font-face {font-family: 'Led';src: url('fonts/digital-7-mono."+(q?"eot":"ttf")+"');}",k=b.createElement("style");k.type="text/css";if(q)l.appendChild(k),l=k.styleSheet,l.cssText=v;else{try{k.appendChild(b.createTextNode(v))}catch(e){k.cssText=v}l.appendChild(k);l=k.styleSheet?k.styleSheet:k.sheet||b.styleSheets[b.styleSheets.length-1]}var g=setInterval(function(){if(b.body){clearInterval(g);
var e=b.createElement("div");e.style.fontFamily="Led";e.style.position="absolute";e.style.height=e.style.width=0;e.style.overflow="hidden";e.innerHTML=".";b.body.appendChild(e);setTimeout(function(){Gauge.initialized=!0;e.parentNode.removeChild(e)},250)}},1)})();Gauge.Collection=[];
Gauge.Collection.get=function(b){if("string"==typeof b)for(var l=0,q=this.length;l<q;l++){if((this[l].config.renderTo.tagName?this[l].config.renderTo:document.getElementById(this[l].config.renderTo)).getAttribute("id")==b)return this[l]}else return"number"==typeof b?this[b]:null};function domReady(b){window.addEventListener?window.addEventListener("DOMContentLoaded",b,!1):window.attachEvent("onload",b)}
domReady(function(){function b(b){for(var e=b[0],d=1,g=b.length;d<g;d++)e+=b[d].substr(0,1).toUpperCase()+b[d].substr(1,b[d].length-1);return e}for(var l=document.getElementsByTagName("canvas"),q=0,v=l.length;q<v;q++)if("canv-gauge"==l[q].getAttribute("data-type")){var k=l[q],e={},g,p=parseInt(k.getAttribute("width"),10),w=parseInt(k.getAttribute("height"),10);e.renderTo=k;p&&(e.width=p);w&&(e.height=w);p=0;for(w=k.attributes.length;p<w;p++)if(g=k.attributes.item(p).nodeName,"data-type"!=g&&"data-"==
g.substr(0,5)){var d=g.substr(5,g.length-5).toLowerCase().split("-");if(g=k.getAttribute(g))switch(d[0]){case "colors":d[1]&&(e.colors||(e.colors={}),"needle"==d[1]?(d=g.split(/\s+/),e.colors.needle=d[0]&&d[1]?{start:d[0],end:d[1]}:g):(d.shift(),e.colors[b(d)]=g));break;case "highlights":e.highlights||(e.highlights=[]);g=g.match(/(?:(?:-?\d*\.)?(-?\d+){1,2} ){2}(?:(?:#|0x)?(?:[0-9A-F|a-f]){3,8}|rgba?\(.*?\))/g);for(var d=0,J=g.length;d<J;d++){var s=g[d].replace(/^\s+|\s+$/g,"").split(/\s+/),x={};
s[0]&&""!=s[0]&&(x.from=s[0]);s[1]&&""!=s[1]&&(x.to=s[1]);s[2]&&""!=s[2]&&(x.color=s[2]);e.highlights.push(x)}break;case "animation":d[1]&&(e.animation||(e.animation={}),"fn"==d[1]&&/^\s*function\s*\(/.test(g)&&(g=eval("("+g+")")),e.animation[d[1]]=g);break;default:d=b(d);if("onready"==d)continue;if("majorTicks"==d)g=g.split(/\s+/);else if("strokeTicks"==d||"glow"==d)g="true"==g?!0:!1;else if("valueFormat"==d)if(g=g.split("."),2==g.length)g={"int":parseInt(g[0],10),dec:parseInt(g[1],10)};else continue;
e[d]=g}}e=new Gauge(e);k.getAttribute("data-value")&&e.setRawValue(parseFloat(k.getAttribute("data-value")));k.getAttribute("data-onready")&&(e.onready=function(){eval(this.config.renderTo.getAttribute("data-onready"))});e.draw()}});window.Gauge=Gauge;
)=====" ;
