here you can write
for your code
import network
import socket
import neopixel
from machine import Pin, I2C, reset
from time import sleep
import ujson
import ssd1306
# === LED + OLED Setup ===
NUM_LEDS = 1
np = neopixel.NeoPixel(Pin(2), NUM_LEDS)
# I2C OLED
i2c = I2C(0, scl=Pin(1), sda=Pin(3))
oled = ssd1306.SSD1306_I2C(128, 64, i2c)
# === Variables ===
current_color = (255, 0, 0)
brightness = 100
rainbow_mode = False
# === Functions ===
def set_led_color(color, bright):
try:
if len(color) != 3:
print("Invalid color:", color)
return
r, g, b = [int(c * (bright / 100)) for c in color]
np[0] = (r, g, b)
np.write()
except Exception as e:
print("LED color error:", e)
def save_state():
try:
with open("state.json", "w") as f:
ujson.dump({"color": current_color, "brightness": brightness, "rainbow": rainbow_mode}, f)
except Exception as e:
print("Save error:", e)
def load_state():
global current_color, brightness, rainbow_mode
try:
with open("state.json") as f:
state = ujson.load(f)
color = state.get("color", [255, 0, 0])
if isinstance(color, list):
current_color = tuple(color)
brightness = state.get("brightness", 100)
rainbow_mode = state.get("rainbow", False)
except Exception as e:
print("Load error:", e)
def update_display(status="Ready"):
oled.fill(0)
oled.text("Color: {}".format(current_color), 0, 0)
oled.text("Brightness: {}".format(brightness), 0, 10)
oled.text("Rainbow: {}".format("ON" if rainbow_mode else "OFF"), 0, 20)
oled.text(status, 0, 50)
oled.show()
# === Access Point Setup ===
ssid = "ESP32_LED"
password = "12345678"
ap = network.WLAN(network.AP_IF)
ap.active(True)
ap.config(essid=ssid, password=password)
while not ap.active():
pass
print("AP active:", ap.ifconfig())
# === HTML Page ===
def web_page():
r, g, b = current_color
hex_color = "%02x%02x%02x" % (r, g, b)
return f"""
<html><head><title>ESP32 LED</title></head>
<body style='background:#111;color:white;text-align:center;font-family:sans-serif;'>
<h2>ESP32 LED Controller</h2>
<div style='background:#{hex_color};width:100px;height:100px;margin:auto;border:2px solid #fff;'></div>
<br><input type='color' id='colorPicker' value='#{hex_color}'><br><br>
<input type='range' id='brightness' min='0' max='100' value='{brightness}'><br>
Brightness: <span id='bval'>{brightness}</span>%<br><br>
<button onclick="fetch('/rainbow')">Toggle Rainbow</button>
<script>
const cp = document.getElementById('colorPicker');
const b = document.getElementById('brightness');
const bv = document.getElementById('bval');
cp.oninput = () => fetch('/color?hex=' + cp.value.substring(1));
b.oninput = () => {{
bv.innerText = b.value;
fetch('/brightness?val=' + b.value);
}};
</script>
</body></html>
"""
# === Web Server ===
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('', 80))
s.listen(5)
# === Initial State ===
load_state()
set_led_color(current_color, brightness)
update_display("Booted")
# === Main Loop ===
while True:
conn, addr = s.accept()
print("Client connected:", addr)
try:
request = conn.recv(1024).decode()
request = request.replace("\r", "").replace("\n", "")
if "/rainbow" in request:
rainbow_mode = not rainbow_mode
save_state()
if not rainbow_mode:
set_led_color(current_color, brightness)
update_display("Rainbow {}".format("ON" if rainbow_mode else "OFF"))
elif "/brightness?val=" in request:
try:
val = int(request.split("/brightness?val=")[1].split(" ")[0])
brightness = max(0, min(100, val))
if not rainbow_mode:
set_led_color(current_color, brightness)
save_state()
update_display("Brightness {}".format(brightness))
except Exception as e:
print("Brightness error:", e)
elif "/color?hex=" in request:
try:
hex_str = request.split("/color?hex=")[1].split(" ")[0].strip()
if len(hex_str) == 6:
color = int(hex_str, 16)
r = (color >> 16) & 0xFF
g = (color >> 8) & 0xFF
b = color & 0xFF
current_color = (r, g, b)
rainbow_mode = False
set_led_color(current_color, brightness)
save_state()
update_display("Color Set")
else:
print("Invalid hex string:", hex_str)
except Exception as e:
print("Color error:", e)
response = web_page()
conn.send("HTTP/1.1 200 OK\r\nContent-type: text/html\r\n\r\n")
conn.sendall(response.encode())
except Exception as e:
print("Request error:", e)
finally:
conn.close()
import network
import urequests
import time
import ssd1306
import socket
from machine import Pin, SoftI2C
import neopixel
# 🌐 Disable AP mode
ap = network.WLAN(network.AP_IF)
ap.active(False)
# 🚀 Wi-Fi Credentials
SSID = "your mobile hotspot"
PASSWORD = "mobile hotspot password"
# 🌍 OpenWeatherMap API using Latitude & Longitude
API_KEY = "your api key "# create 🌍 OpenWeatherMap API key
LATITUDE = "your location latitude" # Example: Chennai
LONGITUDE = "your location longitude"
API_URL = f"https://api.openweathermap.org/data/2.5/weather?lat={LATITUDE}&lon={LONGITUDE}&appid={API_KEY}&units=metric"
# 🌈 WS2812 LED Setup (1 LED on GPIO2)
rain_led = neopixel.NeoPixel(Pin(2), 1)
rain_led[0] = (0, 0, 0)
rain_led.write()
# 🖥 OLED (SSD1306) Init on GPIO1=SDA, GPIO3=SCL
i2c = SoftI2C(scl=Pin(3), sda=Pin(1))
oled = ssd1306.SSD1306_I2C(128, 64, i2c)
# 📶 Connect Wi-Fi
def connect_wifi():
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(SSID, PASSWORD)
print("Connecting to Wi-Fi...", end="")
for _ in range(10):
if wifi.isconnected():
print("\nConnected! IP:", wifi.ifconfig()[0])
return wifi.ifconfig()[0]
print(".", end="")
time.sleep(1)
print("\nWi-Fi connection failed.")
return None
# 🌦️ Fetch Weather Data
def get_weather():
try:
response = urequests.get(API_URL)
data = response.json()
response.close()
temp = data["main"]["temp"]
humidity = data["main"]["humidity"]
wind_speed = data["wind"]["speed"]
pressure = data["main"]["pressure"]
cloud_cover = data["clouds"]["all"]
weather_desc = data["weather"][0]["description"].lower()
# 🌧️ Rain classification
if "heavy" in weather_desc:
rain_level = "Heavy Rain"
led_color = (255, 0, 0) # Bright Red
elif "moderate" in weather_desc:
rain_level = "Moderate Rain"
led_color = (255, 100, 0) # Orange
elif "light" in weather_desc or "drizzle" in weather_desc:
rain_level = "Light Rain"
led_color = (255, 0, 255) # Magenta
else:
rain_level = "No Rain"
led_color = (0, 0, 0) # Off
return temp, humidity, wind_speed, pressure, cloud_cover, weather_desc, rain_level, led_color
except Exception as e:
print("Weather fetch error:", e)
return None, None, None, None, None, "Error", "Error", (0, 0, 0)
# 🖥 OLED Display
def display_weather():
oled.fill(0)
temp, humidity, wind_speed, pressure, cloud_cover, weather_desc, rain_level, led_color = get_weather()
if temp is not None:
oled.text(f"T: {temp}C", 0, 12)
oled.text(f"H: {humidity}%", 0, 22)
oled.text(f"W: {wind_speed}m/s", 0, 32)
oled.text(f"P: {pressure}hPa", 0, 42)
oled.text(f"Clouds: {cloud_cover}%", 0, 52)
if rain_level != "No Rain":
oled.text(rain_level, 5, 0)
else:
oled.text("Clear Sky", 20, 0)
rain_led[0] = led_color
rain_led.write()
else:
oled.text("Weather Error", 10, 30)
oled.show()
# 🌐 Web Dashboard
def web_server(ip):
addr = socket.getaddrinfo("0.0.0.0", 80)[0][-1]
s = socket.socket()
s.bind(addr)
s.listen(5)
print("Web Server Running on:", ip)
while True:
client, _ = s.accept()
temp, humidity, wind_speed, pressure, cloud_cover, weather_desc, rain_level, _ = get_weather()
rain_msg = f"⚠️ {rain_level}" if "Rain" in rain_level else "☀️ No Rain Expected"
html = f"""<!DOCTYPE html>
<html>
<head>
<title>ESP32-S3 Weather</title>
<meta http-equiv="refresh" content="600">
<style>
body {{ font-family: Arial; text-align: center; background: #eef; }}
.container {{ background: white; padding: 20px; margin: 50px auto; width: 300px; border-radius: 10px; box-shadow: 0 0 10px #aaa; }}
.alert {{ font-weight: bold; color: red; }}
</style>
</head>
<body>
<h2>🌦️ ESP32 Weather Dashboard</h2>
<div class="container">
<p><b>Temperature:</b> {temp if temp else 'N/A'}°C</p>
<p><b>Humidity:</b> {humidity if humidity else 'N/A'}%</p>
<p><b>Wind Speed:</b> {wind_speed if wind_speed else 'N/A'} m/s</p>
<p><b>Pressure:</b> {pressure if pressure else 'N/A'} hPa</p>
<p><b>Cloud Cover:</b> {cloud_cover if cloud_cover else 'N/A'}%</p>
<p class="alert">{rain_msg}</p>
<p><b>Description:</b> {weather_desc}</p>
</div>
</body>
</html>"""
client.send("HTTP/1.1 200 OK\r\nContent-Type: text/html; charset=utf-8\r\n\r\n" + html)
client.close()
# 🛑 Turn Off LED on Stop
def turn_off_led():
rain_led[0] = (0, 0, 0)
rain_led.write()
# 🔄 Run System
try:
ip = connect_wifi()
if ip:
display_weather()
web_server(ip)
else:
print("Wi-Fi Not Connected.")
finally:
turn_off_led()
