cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

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              <a href="http://iot-code.com">IoT-Code</a>

  <button onclick="setRandom(0)">Set Low</button>
  <button onclick="setRandom(1)">Set Medium</button>
  <button onclick="setRandom(2)">Set High</button>

<svg id="svg"></svg>
              body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
#svg {
  width: 80vmin;
  height: 80vmin;
button {
  font-size: 1em;
  font-weight: bold;
  padding: .5em 1em;
  margin: 1em;
  background: #0CC2DF;
  color: #fff;
  border: none;
  border-radius: 2em;
  text-transform: uppercase;
  text-align: center;
  box-shadow: 0 0 9px 0 rgba(0,0,0,.5);

              // show all possible parameters, filled with standard (except font)   
var pollution = new IOTC_Demo_StarNurse("#svg", 
    { animationTime: 1500
    , tLow: 30
    , tHigh: 60
    , font: "Source Sans Pro"

  setRandom = function(n) {

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