<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title>Electric Fan Control</title>
<style>
body {
font-family: Arial, sans-serif;
background: linear-gradient(to bottom right, #3a7bd5, #00d2ff);
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
color: #fff;
}
.fan-container {
background: #222;
padding: 20px;
border-radius: 20px;
text-align: center;
box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.fan {
width: 150px;
height: 150px;
border: 10px solid #555;
border-radius: 50%;
margin: 0 auto 20px auto;
position: relative;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.blade {
width: 60px;
height: 20px;
background: #ff4757;
border-radius: 10px;
position: absolute;
top: 50%;
left: 50%;
transform-origin: 50% 50%;
transform: translate(-50%, -50%);
}
.blade:nth-child(1) { transform: translate(-50%, -50%) rotate(0deg); }
.blade:nth-child(2) { transform: translate(-50%, -50%) rotate(120deg); }
.blade:nth-child(3) { transform: translate(-50%, -50%) rotate(240deg); }
.controls {
display: flex;
flex-direction: column;
gap: 15px;
}
.indicator {
font-size: 18px;
margin-bottom: 10px;
}
.speed-buttons, .onoff-switch {
display: flex;
justify-content: center;
gap: 10px;
}
.button {
width: 40px;
height: 40px;
border-radius: 50%;
border: none;
background: #00a8ff;
color: #fff;
font-size: 18px;
cursor: pointer;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
transition: background 0.3s;
}
.button:active {
background: #0097e6;
}
.onoff-button {
background: #ff4757;
width: 60px;
}
.onoff-button.on {
background: #2ed573;
}
</style>
</head>
<body>
<div class=”fan-container”>
<div class=”fan”>
<div class=”blade” id=”blade1″></div>
<div class=”blade” id=”blade2″></div>
<div class=”blade” id=”blade3″></div>
</div>
<div class=”controls”>
<div class=”indicator” id=”speed-indicator”>Speed: 0</div>
<div class=”speed-buttons”>
<button class=”button” onclick=”setSpeed(1)”>1</button>
<button class=”button” onclick=”setSpeed(2)”>2</button>
<button class=”button” onclick=”setSpeed(3)”>3</button>
<button class=”button” onclick=”setSpeed(4)”>4</button>
<button class=”button” onclick=”setSpeed(5)”>5</button>
</div>
<div class=”onoff-switch”>
<button class=”button onoff-button” id=”onoff-button” onclick=”toggleFan()”>Off</button>
</div>
</div>
</div>
<script>
let fanOn = false;
let currentSpeed = 0;
let fanInterval;
function setSpeed(speed) {
if (fanOn) {
currentSpeed = speed;
document.getElementById(‘speed-indicator’).textContent = ‘Speed: ‘ + speed;
adjustFanSpeed();
}
}
function toggleFan() {
fanOn = !fanOn;
document.getElementById(‘onoff-button’).textContent = fanOn ? ‘On’ : ‘Off’;
document.getElementById(‘onoff-button’).classList.toggle(‘on’, fanOn);
if (fanOn) {
adjustFanSpeed();
} else {
stopFan();
}
}
function adjustFanSpeed() {
stopFan();
const rotationSpeed = 1000 / currentSpeed;
fanInterval = setInterval(() => {
document.getElementById(‘blade1’).style.transform += ‘rotate(120deg)’;
document.getElementById(‘blade2’).style.transform += ‘rotate(120deg)’;
document.getElementById(‘blade3’).style.transform += ‘rotate(120deg)’;
}, rotationSpeed);
}
function stopFan() {
clearInterval(fanInterval);
document.getElementById(‘speed-indicator’).textContent = ‘Speed: 0’;
}
</script>
</body>
</html>