import machine
import time
import network
import socket

# Define the pin number where the relay module is connected
relay_pin = machine.Pin(27, machine.Pin.OUT)

# Function to turn the relay on
def relay_on():
    relay_pin.value(1)  # Set the pin to HIGH

# Function to turn the relay off
def relay_off():
    relay_pin.value(0)  # Set the pin to LOW

# Connect to your Wi-Fi network
wifi_ssid = "YourWiFiSSID"
wifi_password = "YourWiFiPassword"
sta = network.WLAN(network.STA_IF)
sta.active(True)
sta.connect(wifi_ssid, wifi_password)
while not sta.isconnected():
    pass

# Create a socket server
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(('0.0.0.0', 80))
server.listen(1)

try:
    while True:
        # Wait for a client to connect
        conn, addr = server.accept()

        # Read the request from the client
        request = conn.recv(1024).decode()

        # Check if the request is to turn the relay on or off
        if "GET /on" in request:
            relay_on()
        elif "GET /off" in request:
            relay_off()

        # Send an HTTP response to the client
        response = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n"
        conn.send(response)

        # Close the connection
        conn.close()

except KeyboardInterrupt:
    # If you press Ctrl+C, this will stop the loop and turn off the relay
    relay_off()
BOOTSELLED1239USBRaspberryPiPico©2020RP2-8020/21P64M15.00TTT
NOCOMNCVCCGNDINLED1PWRRelay Module