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dht_server.py
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import usocket as socket
from machine import Pin
import network
import esp
import gc
import dht
# Create sensor DHT object
d = dht.DHT11(Pin(32, Pin.IN))
ssid = 'ASIA-PACIFIC-ITF1_5G'
password = ''
station = network.WLAN(network.STA_IF)
station.active(True)
station.connect(ssid, password)
while station.isconnected() == False:
pass
print('Connection successfully')
print(station.ifconfig())
led = Pin(2, Pin.OUT)
def web_page():
print("LED value: ", led.value())
if led.value() == 1:
gpio_state = "ON"
else:
gpio_state = "OFF"
html = """<html>
<head>
<title>ESP Web Server</title>
<meta http-equiv="refresh" content="1">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" href="data:,"> <style>html{font-family: Helvetica;
display:inline-block; margin: 0px auto; text-align: center;}
h1{color: #0F3376; padding: 2vh;}p{font-size: 1.5rem;}.button{display:
inline-block; background-color: #e7bd3b; border: none;
border-radius: 4px; color: white; padding: 16px 40px; text-decoration:
none; font-size: 30px; margin: 2px; cursor: pointer;}
.button2{background-color: #4286f4;}</style>
</head>
<body>
<h1>ESP Web Server</h1>
<p>GPIO state: <strong>""" + gpio_state + """</strong></p>
<p><a href="/?led=on"><button class="button">ON</button></a></p>
<p><a href="/?led=off"><button class="button button2"> OFF
</button></a></p>
</body>
</html> """
return html
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('', 80))
s.listen(5)
while True:
conn, addr = s.accept()
print(' Got a connection from {}'.format(str(addr)))
request = conn.recv(1024)
request = str(request)
print('Content = {}'.format(request))
led_on = request.find('/?led=on')
led_off = request.find('/?led=off')
if led_on == 6:
print('LED ON')
led.value(1)
else:
if led_off == 6:
print('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)
conn.close()