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webPage.html
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webPage.html
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<!DOCTYPE html>
<html>
<head>
<title>RGB LED Control</title>
<style>
body {
margin: 10px;
font-family: 'Trebuchet MS';
text-align: center;
background-color: #f4f4f4;
}
.container {
max-width: 600px;
margin: 50px auto;
padding: 20px;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
display: flex;
flex-direction: column;
align-items: center;
}
.row-container {
width: 100%;
margin-bottom: 20px;
display: flex;
justify-content: space-evenly;
}
h1 {
font-family: 'Trebuchet MS';
color: #9c4464;
}
.led {
width: 40px;
height: 40px;
border-radius: 50%;
background-color: #F00;
box-shadow: rgba(0, 0, 0, 0.15) 0 0 10px,
inset rgba(0, 0, 0, 100) 0 0 5px,
#F00 0 2px 5px 1px;
}
.color-picker {
margin-top: 5px;
padding-top: 2px;
border: 1px solid #ccc;
border-radius: 2px;
}
button{
margin-right: 15px;
padding: 5px 10px;
min-width: 130px;
height: 40px;
font-family: 'Trebuchet MS';
cursor: pointer;
transition: all 0.3s ease;
position: relative;
display: inline-block;
outline: none;
border-radius: 5px;
border: 2px solid #9c4464;
background: #9c4464;
color: #fff;
}
button:hover {
background: #fff;
color: #9c4464
}
</style>
</head>
<body>
<div class="container">
<!-- Header -->
<h1>RGB LED Control</h1>
<br>
<div class="row-container">
<!-- LED -->
<div class="led"></div>
<!-- Color Picker-->
<input type="color" id="colorPicker" class="color-picker" value="#ff0000">
</div>
<br>
<!-- Buttons -->
<div class="row-container">
<button onclick="turnOn()" >Turn On</button>
<button onclick="turnOff()" >Turn Off</button>
</div>
</div>
<script>
const colorPicker = document.getElementById('colorPicker');
const led = document.querySelector('.led');
// Change LED color when color picker changes values
colorPicker.addEventListener('input', function() {
const color = colorPicker.value;
updateLedColor(color);
});
function updateLedColor(color) {
// Calculate HEX -> RGB
const r = Math.floor(parseInt(color.substring(1, 3), 16));
const g = Math.floor(parseInt(color.substring(3, 5), 16));
const b = Math.floor(parseInt(color.substring(5, 7), 16));
// Update LED background color
led.style.backgroundColor = `rgb(${r}, ${g}, ${b})`;
// Update LED box shadow
led.style.boxShadow = `0 0 10px rgba(0, 0, 0, 0.15), inset 0 0 5px rgba(0, 0, 0, 100), 0 2px 5px 1px rgba(${r}, ${g}, ${b})`;
colorPicker.value = color;
}
function turnOn() {
updateLedColor(colorPicker.value);
// Sends information regarding turning the led on and its color
connection.send("LED ON,"+colorPicker.value);
console.log("Led is turned on.");
}
function turnOff() {
led.style.backgroundColor = '#fff';
led.style.boxShadow = `0 0 10px rgba(0, 0, 0, 0.15), inset 0 0 5px #fff, 0 2px 5px 1px #fff`;
// Sends information regarding turning the led off
connection.send("LED OFF");
console.log("Led is turned off.");
}
// Connection between client and the NodeMCU
var connection = new WebSocket('ws://'+location.hostname+':81/', ['arduino']);
// When first connected
connection.onopen = function (){ connection.send('Connect ' + new Date()); };
// When a message is received
connection.onmessage = function (e){
console.log('Server: ', e.data);
if (e.data.startsWith("LED ON")) { // If LED is turned on
const parts = e.data.split(',');
// Color in HEX form
const color = parts[1];
// Update the color
updateLedColor(color);
console.log("Led is turned on with color:", color);
}else if (e.data === "LED OFF") { // If LED is turned off
led.style.backgroundColor = '#fff';
led.style.boxShadow = `0 0 10px rgba(0, 0, 0, 0.15), inset 0 0 5px #fff, 0 2px 5px 1px #fff`;
}
};
// When a WebSocket error comes up
connection.onerror = function (error) { console.log('WebSocket Error ', error);};
</script>
</body>
</html>