ESP32 Webserver Micropython Handling LED

# ************************
#
import machine
import time
led = machine.Pin(2,machine.Pin.OUT)
led.off()

# ************************
# Configure the ESP32 wifi
# as Access Point mode.
import network
ssid = 'ESP32-AP-WebServer'
password = '123456789'

ap = network.WLAN(network.AP_IF)
ap.active(True)
ap.config(essid=ssid, password=password)
while not ap.active():
    pass
print('network config:', ap.ifconfig())

# ************************
# Configure the socket connection
# over TCP/IP
import socket

# AF_INET - use Internet Protocol v4 addresses
# SOCK_STREAM means that it is a TCP socket.
# SOCK_DGRAM means that it is a UDP socket.
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('',80)) # specifies that the socket is reachable by any address the machine happens to have
s.listen(5)     # max of 5 socket connections

# ************************
# Function for creating the
# web page to be displayed
def web_page():
    if led.value()==1:
        led_state = 'ON'
        print('led is ON')
    elif led.value()==0:
        led_state = 'OFF'
        print('led is OFF')
        
    html_page = """<!DOCTYPE HTML>  
        <html>  
        <head>  
          <meta name="viewport" content="width=device-width, initial-scale=1">  
        </head>  
        <body>  
           <center><h2>ESP32 Web Server in MicroPython </h2></center>  
           <center>  
             <form>  
               <button type='submit' name="LED" value='1'> LED ON </button>  
               <button type='submit' name="LED" value='0'> LED OFF </button>  
             </form>  
           </center>  
           <center><p>LED is now <strong>""" + led_state + """</strong>.</p></center>  
        </body>  
        </html>"""  
    return html_page

while True:
    # Socket accept() 
    conn, addr = s.accept()
    print("Got connection from %s" % str(addr))
    
    # Socket receive()
    request=conn.recv(1024)
    print("")
    print("")
    print("Content %s" % str(request))

# Socket send()
    request = str(request)
    led_on = request.find('/?LED=1')
    led_off = request.find('/?LED=0')
    if led_on == 6:
        print('LED ON')
        print(str(led_on))
        led.value(1)
    elif led_off == 6:
        print('LED OFF')
        print(str(led_off))
        led.value(0)
    response = web_page()
    conn.send('HTTP/1.1 200 OK\n')
    conn.send('Content-Type: text/html\n')
    conn.send('Connection: close\n\n')
    conn.sendall(response)
    
    # Socket close()
    conn.close()

ESP32 Webserver Micropython Handling LED

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