George2: Created page with " import machine import socket import math import utime import network import time wlan = network.WLAN(network.STA_IF) wlan.active(True) wlan.connect..."

2023-02-11T11:49:24Z

Created page with "<source lang = "python"> import machine import socket import math import utime import network import time wlan = network.WLAN(network.STA_IF) wlan.active(True) wlan.connect..."

New page

<source lang = "python">

import machine
import socket
import math
import utime
import network
import time

wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect("ssid","password")

# rgb led
red=machine.Pin(13,machine.Pin.OUT)
green=machine.Pin(14,machine.Pin.OUT)
blue=machine.Pin(15,machine.Pin.OUT)

# Wait for connect or fail
wait = 10
while wait > 0:
if wlan.status() < 0 or wlan.status() >= 3:
break
wait -= 1
print('waiting for connection...')
time.sleep(1)

# Handle connection error
if wlan.status() != 3:
raise RuntimeError('wifi connection failed')
else:
print('connected')
ip=wlan.ifconfig()[0]
print('IP: ', ip)

# Temperature Sensor
sensor_temp = machine.ADC(4)
conversion_factor = 3.3 / (65535)

def temperature():
temperature_value = sensor_temp.read_u16() * conversion_factor
temperature_Celcius = 27 - (temperature_value - 0.706)/0.00172169/ 8
print(temperature_Celcius)
utime.sleep(2)
return temperature_Celcius

def webpage(value):
html = f"""
<!DOCTYPE html>
<html>
<body>
<form action="./red">
<input type="submit" value="red " />
</form>
<form action="./green">
<input type="submit" value="green" />
</form>
<form action="./blue">
<input type="submit" value="blue" />
</form>
<form action="./off">
<input type="submit" value="off" />
</form>
<p>Temperature is {value} degrees Celsius</p>
</body>
</html>
"""
return html

def serve(connection):
while True:
client = connection.accept()[0]
request = client.recv(1024)
request = str(request)
try:
request = request.split()[1]
except IndexError:
pass

print(request)

if request == '/off?':
red.low()
green.low()
blue.low()
elif request == '/red?':
red.high()
green.low()
blue.low()
elif request == '/green?':
red.low()
green.high()
blue.low()
elif request == '/blue?':
red.low()
green.low()
blue.high()

value='%.2f'%temperature()
html=webpage(value)
client.send(html)
client.close()

def open_socket(ip):
# Open a socket
address = (ip, 80)
connection = socket.socket()
connection.bind(address)
connection.listen(1)
print(connection)
return(connection)

try:
if ip is not None:
connection=open_socket(ip)
serve(connection)
except KeyboardInterrupt:
machine.reset()

</source>

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George2: Created page with " import machine import socket import math import utime import network import time wlan = network.WLAN(network.STA_IF) wlan.active(True) wlan.connect..."