Lavatory Signal

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How it works

Sometime It is very convinience that one toilet is occupied or not.
There is a human detect sensor like EKMC1601111.
We create html that showing lavatory signal (like in airplane ) by collaborating with this sensor.

Materials

  1. obniz – 1
  2. EKMC1601111 – 1
  3. battery or usb adaptor & cable – 1

Step 1

connect EKMC1601111 to an obniz.

Now we connect like
io0: GND,
io1: Signal,
io2: VDD

Step 2

put this on toilet.

Program

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
  <script  src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4="  crossorigin="anonymous"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>

  <script src="https://unpkg.com/obniz@2.0.2/obniz.js"></script>
</head>

<body>
<div id="obniz-debug"></div>
<br>
<div class="text-center">
  <h1> Lavatory Signal </h1>
</div>

<div id="a"><img src="https://www.dropbox.com/s/e7nqlug3wz4ku5v/in_notuse.jpg?raw=1" id="image" width="100%"></div>
<h1 id="print"></h1>
<div id="sens1"></div>

<script>

var sensorAdd = 0;

/* This will be over written on obniz.io webapp page */
var obniz = new Obniz("OBNIZ_ID_HERE");
obniz.onconnect = async function () {

  var sensor = obniz.wired("PaPIRsVZ", {gnd:0, signal:1, vcc:2});
  sensor.onchange = function(val){
    if (val) {
      sensorAdd += 1;
      $("#sens1").text("sensorAdd:"+sensorAdd);
    }
  }

  function update() {
    if (sensorAdd == 0) {
      $("#print").text("Empty");
      $("#image").attr("src", "https://www.dropbox.com/s/e7nqlug3wz4ku5v/in_notuse.jpg?raw=1");
    } else if (sensorAdd != 0) {
      $("#print").text("Occupied");
      $("#image").attr("src", "https://www.dropbox.com/s/x5wlr6kwmq15mrp/in_use.jpg?raw=1");
    }
    sensorAdd = 0;
    $("#sens1").text("sensorAdd:"+sensorAdd);
  }
  
  setInterval(update, 2000) 
}
</script>
</body>
</html>

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