Raspberry Pi Pico W Web Server with BME280

Introduction

In this project, you will learn how to make a web server with a Raspberry Pi Pico board that streams data from a BME280 sensor. The BME280 is a temperature, humidity, and pressure sensor that is excellent for use in mini weather stations and other similar applications. The data from the sensor is displayed on a web page that is updated in real-time, and the web server can be accessed from any computer or mobile device on the same network.

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Before moving with this tutorial you should have the Raspberry Pi Pico W add-on installed in your Thonny IDE. Follow one of the following tutorials to install the Pico W on the Thonny IDE, if you haven’t already. Raspberry Pi Pico W – Getting Started: Tutorials, Pinout

You might also enjoy reading other Webserver projects:

Required Material

Introducing the BME280 Sensor Module

The BME280 barometric pressure sensor is a great sensor for monitoring temperature, Humidity & Atmospheric Pressure. It is frequently used in weather stations and other applications where accurate atmospheric pressure measurements are needed. The BME280 sensor module is a low-cost, high-performance, digital humidity, pressure and temperature sensor.

The BME280 module is based on the Bosch BME280 sensor, which is a low-power, high-accuracy sensor. The module includes a built-in EEPROM for storing calibration data and an I2C interface for communication with the host system. Interface BME280 Temperature, Humidity & Pressure with Arduino

Wiring Diagram – Raspberry Pi Pico W Web Server With BME280

We will use I2C communication with the BME280 sensor module. For that, wire the sensor to the Raspberry Pi Pico W SDA and SCL pins, as shown in the following wiring diagram. Check Also Interface BME280 With Raspberry Pi Pico W Using MicroPython

As said before, BME280 works with the I2C Communication protocol. So we just require 4 connections. Refer to the connection list below:

Attach the VCC, GND, SCL & SDA pin of the BME280 Sensor to 3.3V, GND, GP21 & GP20 of Raspberry Pi Pico W respectively.

VIN = 3.3v
GND = GND
SCL = GP21
SDA = GP20

MicroPython Code: Raspberry Pi Pico W Web Server With BME280

MicroPython code to control a BME280 and a Pico W webserver. The MicroPython code to control a BME280 and Pico W webserver are as follows: Also see Getting Started With Raspberry Pi Pico With Thonny IDE

The code for the Raspberry Pi Pico W Web Server With BME280 is divided into two parts:

bme280.py
main.py

The main code requires a library for BME280. The library contains all the required modules and registers to extract the data from the Sensor.

bme280.py

Open your Thonny IDE and paste one of the codes below into the Thonny Editor. Save the file inside the Raspberry Pi Pico and name it bme280.py

import time
from ustruct import unpack, unpack_from
from array import array

# BME280 default address.
BME280_I2CADDR = 0x76

# Operating Modes
BME280_OSAMPLE_1 = 1
BME280_OSAMPLE_2 = 2
BME280_OSAMPLE_4 = 3
BME280_OSAMPLE_8 = 4
BME280_OSAMPLE_16 = 5

BME280_REGISTER_CONTROL_HUM = 0xF2
BME280_REGISTER_CONTROL = 0xF4


class BME280:

    def __init__(self,
                 mode=BME280_OSAMPLE_1,
                 address=BME280_I2CADDR,
                 i2c=None,
                 **kwargs):
        # Check that mode is valid.
        if mode not in [BME280_OSAMPLE_1, BME280_OSAMPLE_2, BME280_OSAMPLE_4,
                        BME280_OSAMPLE_8, BME280_OSAMPLE_16]:
            raise ValueError(
                'Unexpected mode value {0}. Set mode to one of '
                'BME280_ULTRALOWPOWER, BME280_STANDARD, BME280_HIGHRES, or '
                'BME280_ULTRAHIGHRES'.format(mode))
        self._mode = mode
        self.address = address
        if i2c is None:
            raise ValueError('An I2C object is required.')
        self.i2c = i2c

        # load calibration data
        dig_88_a1 = self.i2c.readfrom_mem(self.address, 0x88, 26)
        dig_e1_e7 = self.i2c.readfrom_mem(self.address, 0xE1, 7)
        self.dig_T1, self.dig_T2, self.dig_T3, self.dig_P1, \
            self.dig_P2, self.dig_P3, self.dig_P4, self.dig_P5, \
            self.dig_P6, self.dig_P7, self.dig_P8, self.dig_P9, \
            _, self.dig_H1 = unpack("<HhhHhhhhhhhhBB", dig_88_a1)

        self.dig_H2, self.dig_H3 = unpack("<hB", dig_e1_e7)
        e4_sign = unpack_from("<b", dig_e1_e7, 3)[0]
        self.dig_H4 = (e4_sign << 4) | (dig_e1_e7[4] & 0xF)

        e6_sign = unpack_from("<b", dig_e1_e7, 5)[0]
        self.dig_H5 = (e6_sign << 4) | (dig_e1_e7[4] >> 4)

        self.dig_H6 = unpack_from("<b", dig_e1_e7, 6)[0]

        self.i2c.writeto_mem(self.address, BME280_REGISTER_CONTROL,
                             bytearray([0x3F]))
        self.t_fine = 0

        # temporary data holders which stay allocated
        self._l1_barray = bytearray(1)
        self._l8_barray = bytearray(8)
        self._l3_resultarray = array("i", [0, 0, 0])

    def read_raw_data(self, result):
        """ Reads the raw (uncompensated) data from the sensor.

            Args:
                result: array of length 3 or alike where the result will be
                stored, in temperature, pressure, humidity order
            Returns:
                None
        """

        self._l1_barray[0] = self._mode
        self.i2c.writeto_mem(self.address, BME280_REGISTER_CONTROL_HUM,
                             self._l1_barray)
        self._l1_barray[0] = self._mode << 5 | self._mode << 2 | 1
        self.i2c.writeto_mem(self.address, BME280_REGISTER_CONTROL,
                             self._l1_barray)

        sleep_time = 1250 + 2300 * (1 << self._mode)
        sleep_time = sleep_time + 2300 * (1 << self._mode) + 575
        sleep_time = sleep_time + 2300 * (1 << self._mode) + 575
        time.sleep_us(sleep_time)  # Wait the required time

        # burst readout from 0xF7 to 0xFE, recommended by datasheet
        self.i2c.readfrom_mem_into(self.address, 0xF7, self._l8_barray)
        readout = self._l8_barray
        # pressure(0xF7): ((msb << 16) | (lsb << 8) | xlsb) >> 4
        raw_press = ((readout[0] << 16) | (readout[1] << 8) | readout[2]) >> 4
        # temperature(0xFA): ((msb << 16) | (lsb << 8) | xlsb) >> 4
        raw_temp = ((readout[3] << 16) | (readout[4] << 8) | readout[5]) >> 4
        # humidity(0xFD): (msb << 8) | lsb
        raw_hum = (readout[6] << 8) | readout[7]

        result[0] = raw_temp
        result[1] = raw_press
        result[2] = raw_hum

    def read_compensated_data(self, result=None):
        """ Reads the data from the sensor and returns the compensated data.

            Args:
                result: array of length 3 or alike where the result will be
                stored, in temperature, pressure, humidity order. You may use
                this to read out the sensor without allocating heap memory

            Returns:
                array with temperature, pressure, humidity. Will be the one from
                the result parameter if not None
        """
        self.read_raw_data(self._l3_resultarray)
        raw_temp, raw_press, raw_hum = self._l3_resultarray
        # temperature
        var1 = ((raw_temp >> 3) - (self.dig_T1 << 1)) * (self.dig_T2 >> 11)
        var2 = (((((raw_temp >> 4) - self.dig_T1) *
                  ((raw_temp >> 4) - self.dig_T1)) >> 12) * self.dig_T3) >> 14
        self.t_fine = var1 + var2
        temp = (self.t_fine * 5 + 128) >> 8

        # pressure
        var1 = self.t_fine - 128000
        var2 = var1 * var1 * self.dig_P6
        var2 = var2 + ((var1 * self.dig_P5) << 17)
        var2 = var2 + (self.dig_P4 << 35)
        var1 = (((var1 * var1 * self.dig_P3) >> 8) +
                ((var1 * self.dig_P2) << 12))
        var1 = (((1 << 47) + var1) * self.dig_P1) >> 33
        if var1 == 0:
            pressure = 0
        else:
            p = 1048576 - raw_press
            p = (((p << 31) - var2) * 3125) // var1
            var1 = (self.dig_P9 * (p >> 13) * (p >> 13)) >> 25
            var2 = (self.dig_P8 * p) >> 19
            pressure = ((p + var1 + var2) >> 8) + (self.dig_P7 << 4)

        # humidity
        h = self.t_fine - 76800
        h = (((((raw_hum << 14) - (self.dig_H4 << 20) -
                (self.dig_H5 * h)) + 16384)
              >> 15) * (((((((h * self.dig_H6) >> 10) *
                            (((h * self.dig_H3) >> 11) + 32768)) >> 10) +
                          2097152) * self.dig_H2 + 8192) >> 14))
        h = h - (((((h >> 15) * (h >> 15)) >> 7) * self.dig_H1) >> 4)
        h = 0 if h < 0 else h
        h = 419430400 if h > 419430400 else h
        humidity = h >> 12

        if result:
            result[0] = temp
            result[1] = pressure
            result[2] = humidity
            return result

        return array("i", (temp, pressure, humidity))

    @property
    def values(self):
        """ human readable values """

        t, p, h = self.read_compensated_data()

        p = p // 256
        pi = p // 100
        pd = p - pi * 100

        hi = h // 1024
        hd = h * 100 // 1024 - hi * 100
        return ("{}*C".format(t / 100), "{}.{:02d} hPa".format(pi, pd),
                "{}.{:02d} %".format(hi, hd))

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import time

from ustruct import unpack, unpack_from

from array import array

# BME280 default address.

BME280_I2CADDR = 0x76

# Operating Modes

BME280_OSAMPLE_1 = 1

BME280_OSAMPLE_2 = 2

BME280_OSAMPLE_4 = 3

BME280_OSAMPLE_8 = 4

BME280_OSAMPLE_16 = 5

BME280_REGISTER_CONTROL_HUM = 0xF2

BME280_REGISTER_CONTROL = 0xF4

class BME280:

def __init__(self,

mode=BME280_OSAMPLE_1,

address=BME280_I2CADDR,

i2c=None,

**kwargs):

# Check that mode is valid.

if mode not in [BME280_OSAMPLE_1, BME280_OSAMPLE_2, BME280_OSAMPLE_4,

BME280_OSAMPLE_8, BME280_OSAMPLE_16]:

raise ValueError(

'Unexpected mode value {0}. Set mode to one of '

'BME280_ULTRALOWPOWER, BME280_STANDARD, BME280_HIGHRES, or '

'BME280_ULTRAHIGHRES'.format(mode))

self._mode = mode

self.address = address

if i2c is None:

raise ValueError('An I2C object is required.')

self.i2c = i2c

# load calibration data

dig_88_a1 = self.i2c.readfrom_mem(self.address, 0x88, 26)

dig_e1_e7 = self.i2c.readfrom_mem(self.address, 0xE1, 7)

self.dig_T1, self.dig_T2, self.dig_T3, self.dig_P1, \

self.dig_P2, self.dig_P3, self.dig_P4, self.dig_P5, \

self.dig_P6, self.dig_P7, self.dig_P8, self.dig_P9, \

_, self.dig_H1 = unpack("<HhhHhhhhhhhhBB", dig_88_a1)

self.dig_H2, self.dig_H3 = unpack("<hB", dig_e1_e7)

e4_sign = unpack_from("<b", dig_e1_e7, 3)[0]

self.dig_H4 = (e4_sign << 4) | (dig_e1_e7[4] & 0xF)

e6_sign = unpack_from("<b", dig_e1_e7, 5)[0]

self.dig_H5 = (e6_sign << 4) | (dig_e1_e7[4] >> 4)

self.dig_H6 = unpack_from("<b", dig_e1_e7, 6)[0]

self.i2c.writeto_mem(self.address, BME280_REGISTER_CONTROL,

bytearray([0x3F]))

self.t_fine = 0

# temporary data holders which stay allocated

self._l1_barray = bytearray(1)

self._l8_barray = bytearray(8)

self._l3_resultarray = array("i", [0, 0, 0])

def read_raw_data(self, result):

""" Reads the raw (uncompensated) data from the sensor.

Args:

result: array of length 3 or alike where the result will be

stored, in temperature, pressure, humidity order

Returns:

None

"""

self._l1_barray[0] = self._mode

self.i2c.writeto_mem(self.address, BME280_REGISTER_CONTROL_HUM,

self._l1_barray)

self._l1_barray[0] = self._mode << 5 | self._mode << 2 | 1

self.i2c.writeto_mem(self.address, BME280_REGISTER_CONTROL,

self._l1_barray)

sleep_time = 1250 + 2300 * (1 << self._mode)

sleep_time = sleep_time + 2300 * (1 << self._mode) + 575

time.sleep_us(sleep_time) # Wait the required time

# burst readout from 0xF7 to 0xFE, recommended by datasheet

self.i2c.readfrom_mem_into(self.address, 0xF7, self._l8_barray)

readout = self._l8_barray

# pressure(0xF7): ((msb << 16) | (lsb << 8) | xlsb) >> 4

raw_press = ((readout[0] << 16) | (readout[1] << 8) | readout[2]) >> 4

# temperature(0xFA): ((msb << 16) | (lsb << 8) | xlsb) >> 4

raw_temp = ((readout[3] << 16) | (readout[4] << 8) | readout[5]) >> 4

# humidity(0xFD): (msb << 8) | lsb

raw_hum = (readout[6] << 8) | readout[7]

result[0] = raw_temp

result[1] = raw_press

result[2] = raw_hum

def read_compensated_data(self, result=None):

""" Reads the data from the sensor and returns the compensated data.

Args:

result: array of length 3 or alike where the result will be

stored, in temperature, pressure, humidity order. You may use

this to read out the sensor without allocating heap memory

Returns:

array with temperature, pressure, humidity. Will be the one from

the result parameter if not None

"""

self.read_raw_data(self._l3_resultarray)

raw_temp, raw_press, raw_hum = self._l3_resultarray

# temperature

var1 = ((raw_temp >> 3) - (self.dig_T1 << 1)) * (self.dig_T2 >> 11)

var2 = (((((raw_temp >> 4) - self.dig_T1) *

((raw_temp >> 4) - self.dig_T1)) >> 12) * self.dig_T3) >> 14

self.t_fine = var1 + var2

temp = (self.t_fine * 5 + 128) >> 8

# pressure

var1 = self.t_fine - 128000

var2 = var1 * var1 * self.dig_P6

var2 = var2 + ((var1 * self.dig_P5) << 17)

var2 = var2 + (self.dig_P4 << 35)

var1 = (((var1 * var1 * self.dig_P3) >> 8) +

((var1 * self.dig_P2) << 12))

var1 = (((1 << 47) + var1) * self.dig_P1) >> 33

if var1 == 0:

pressure = 0

else:

p = 1048576 - raw_press

p = (((p << 31) - var2) * 3125) // var1

var1 = (self.dig_P9 * (p >> 13) * (p >> 13)) >> 25

var2 = (self.dig_P8 * p) >> 19

pressure = ((p + var1 + var2) >> 8) + (self.dig_P7 << 4)

# humidity

h = self.t_fine - 76800

h = (((((raw_hum << 14) - (self.dig_H4 << 20) -

(self.dig_H5 * h)) + 16384)

>> 15) * (((((((h * self.dig_H6) >> 10) *

(((h * self.dig_H3) >> 11) + 32768)) >> 10) +

2097152) * self.dig_H2 + 8192) >> 14))

h = h - (((((h >> 15) * (h >> 15)) >> 7) * self.dig_H1) >> 4)

h = 0 if h < 0 else h

h = 419430400 if h > 419430400 else h

humidity = h >> 12

if result:

result[0] = temp

result[1] = pressure

result[2] = humidity

return result

return array("i", (temp, pressure, humidity))

@property

def values(self):

""" human readable values """

t, p, h = self.read_compensated_data()

p = p // 256

pi = p // 100

pd = p - pi * 100

hi = h // 1024

hd = h * 100 // 1024 - hi * 100

return ("{}*C".format(t / 100), "{}.{:02d} hPa".format(pi, pd),

"{}.{:02d} %".format(hi, hd))

main.py

open another tab on Thonny IDE and paste the following code. Remember to save the file as main.py on Raspberry Pi Pico.

from machine import Pin, I2C        #importing relevant modules & classes
from time import sleep
import utime
import socket
import network
import bme280                       #importing BME280 library

i2c=I2C(0,sda=Pin(20), scl=Pin(21), freq=400000)    #initializing the I2C method

wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect("Romeo","hackster")

def web_page():
    bme = bme280.BME280(i2c=i2c)          #BME280 object created
    html = """<html><head><meta http-equiv="refresh" content="5"><meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="icon" href="data:,"><style>body { text-align: center; font-family: "Helvetica", Arial;}
  table { border-collapse: collapse; width:55%; margin-left:auto; margin-right:auto; }
  th { padding: 12px; background-color: #87034F; color: white; }
  tr { border: 2px solid #000556; padding: 12px; }
  tr:hover { background-color: #bcbcbc; }
  td { border: none; padding: 14px; }
  .sensor { color:DarkBlue; font-weight: bold; background-color: #ffffff; padding: 1px;  
  </style></head><body><h1>BME280 Pi Pico W Weather Station</h1>
  <table><tr><th>Parameters</th><th>Value</th></tr>
  <tr><td>Temperature</td><td><span class="sensor">""" + str(bme.values[0]) + """</span></td></tr>
  <tr><td>Pressure</td><td><span class="sensor">""" + str(bme.values[1]) + """</span></td></tr>
  <tr><td>Humidity</td><td><span class="sensor">""" + str(bme.values[2]) + """</span></td></tr> 
  
  <head><meta http-equiv="refresh" content="5"><meta name="viewport" content="width=device-width, initial-scale=1"><style>img{display: block; margin-left: auto; margin-right: auto;}</style></head><body><img 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" alt="pico" style="max-width:100%;">
  </body></html>"""
    return html
  
# 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)
    
# Open socket
addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(('', 80))
server.listen(5)
print('listening on', addr)
    
while True:
    try:
        conn, addr = server.accept()
        conn.settimeout(3.0)
        print('client connected from', addr)
        request = conn.recv(1024)
        conn.settimeout(None)
        # HTTP-Request receive
        print('Request:', request)              
        # HTTP-Response send
        response = web_page()
        conn.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
        conn.sendall(response)
        conn.close()
    except OSError as e:
        conn.close()
        print('connection closed')

from machine import Pin, I2C #importing relevant modules & classes

from time import sleep

import utime

import socket

import network

import bme280 #importing BME280 library

i2c=I2C(0,sda=Pin(20), scl=Pin(21), freq=400000) #initializing the I2C method

wlan = network.WLAN(network.STA_IF)

wlan.active(True)

wlan.connect("Romeo","hackster")

def web_page():

bme = bme280.BME280(i2c=i2c) #BME280 object created

html = """<html><head><meta http-equiv="refresh" content="5"><meta name="viewport" content="width=device-width, initial-scale=1">

table { border-collapse: collapse; width:55%; margin-left:auto; margin-right:auto; }

th { padding: 12px; background-color: #87034F; color: white; }

tr { border: 2px solid #000556; padding: 12px; }

tr:hover { background-color: #bcbcbc; }

td { border: none; padding: 14px; }

.sensor { color:DarkBlue; font-weight: bold; background-color: #ffffff; padding: 1px;

</style></head><body><h1>BME280 Pi Pico W Weather Station</h1>

<table><tr><th>Parameters</th><th>Value</th></tr>

<tr><td>Temperature</td><td><span class="sensor">""" + str(bme.values[0]) + """</span></td></tr>

<tr><td>Pressure</td><td><span class="sensor">""" + str(bme.values[1]) + """</span></td></tr>

<tr><td>Humidity</td><td><span class="sensor">""" + str(bme.values[2]) + """</span></td></tr>

<head><meta http-equiv="refresh" content="5"><meta name="viewport" content="width=device-width, initial-scale=1"><style>img{display: block; margin-left: auto; margin-right: auto;}</style></head><body><img 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" alt="pico" style="max-width:100%;">

</body></html>"""

return html

# 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)

# Open socket

addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]

server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

server.bind(('', 80))

server.listen(5)

print('listening on', addr)

while True:

try:

conn, addr = server.accept()

conn.settimeout(3.0)

print('client connected from', addr)

request = conn.recv(1024)

conn.settimeout(None)

# HTTP-Request receive

print('Request:', request)

# HTTP-Response send

response = web_page()

conn.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')

conn.sendall(response)

conn.close()

except OSError as e:

conn.close()

print('connection closed')

Execute the main.py file now. If the hardware connection is correct, the Shell shows the following results.

Copy the IP Address and paste it on any Web browser and hit enter button.

The Webpage will also display the temperature, pressure & humidity readings of the BME280 sensor.

Conclusion

In conclusion, the Raspberry Pi Pico W Web Server With BME280 is a great way to monitor the weather conditions in your area. By connecting the Pico to the internet, you can keep an eye on the current conditions and forecasts for your area.

Raspberry Pi Pico W Weather Station Video

4 Comments

Pingback: BME280 Sensor With Raspberry Pi Pico W Using MicroPython Code
Pingback: BMP180 Pressure Sensor Monitor On Adafruit Io With ESP32
Bruce Kives on 04/01/2023 3:13 am

I have two suggested improvements:

In main.py
To stop the EADDRINUSE error on line 54 – server.bind((”, 80))
You can either wait two minutes, reboot the Pico, or use the socket.SO_REUSEADDR option. So the code should look like this:

# Open socket
addr = socket.getaddrinfo(‘0.0.0.0’, 80)[0][-1]
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server.bind((”, 80))

—————
In bme280.py
If someone in the US wanted to use imperial units, they could change out the last few likes of bme280.py to look like this:

@property
def values(self):
“”” human readable values “””

t, p, h = self.read_compensated_data()
t = t / 100
t = t * 9 / 5 + 32

p = p // 256
p = p / 3386.39

hi = h // 1024
return (“{:.1f} *F”.format(t), “{:.2f} inHg”.format(p),
“{} %”.format(hi))

—————
In main.py
I never could get line 2
from time import sleep
to work, so I just replaced it with
import time
I need time because I’m going to display the current time on the page.

Thank you for you excellent project
Bruce

Farshid Owrang on 14/01/2023 11:12 pm

waiting for connection…
Traceback (most recent call last):
File “”, line 45, in
RuntimeError: wifi connection failed

Raspberry Pi Pico W Web Server with BME280 – Mini Weather Station

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4 Comments

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Raspberry Pi Pico W Web Server with BME280 – Mini Weather Station

Introduction

Required Material

Introducing the BME280 Sensor Module

Wiring Diagram – Raspberry Pi Pico W Web Server With BME280

MicroPython Code: Raspberry Pi Pico W Web Server With BME280

bme280.py

main.py

Conclusion

Raspberry Pi Pico W Weather Station Video

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4 Comments

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