import time
time.sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")
from machine import Pin, I2C

from ssd1306 import SSD1306_I2C

from dht import DHT22

import sys,time

 

pix_res_x = 128 #SSD1306 horizontal resolution

pix_res_y = 64  #SSD1306 vertical resolution

#nappi = machine.Pin(20, machine.Pin.IN, machine.Pin.PULL_DOWN)

 

i2c_dev = I2C(1,scl=Pin(7),sda=Pin(6),freq=200000)  # start I2C on I2C1 (GPIO 26/27)

i2c_addr = [hex(ii) for ii in i2c_dev.scan()] # get I2C address in hex format

if i2c_addr==[]:

    print('No I2C Display Found')

    sys.exit() # exit routine if no dev found

else:

    print("I2C Address      : {}".format(i2c_addr[0])) # I2C device address

    print("I2C Configuration: {}".format(i2c_dev)) # print I2C params

   

oled = SSD1306_I2C(pix_res_x, pix_res_y, i2c_dev) # oled controller

 

#oled.write_cmd(0xc0) # flip display to place 0,0 at lower-left corner

 

adc_2 = machine.ADC(2) # ADC channel 2 for input

"""

while True:

    oled.fill(0) # clear the display

    if nappi.value()==True:                

        oled.text("Hello Dude",0,0)#Tulostetaan näytölle, kohtaan X=0 ja Y=0

   

    else:

        oled.text("Goodbye Dude",0,0)

    oled.show()#Näytetään puskurissa oleva data näytölle

    time.sleep(1)

"""    

 

dht_pin = Pin(11, Pin.IN, Pin.PULL_UP)  # Muuta pinni tarpeen mukaan

 

# Luo DHT-objekti

dht_sensor = DHT22(dht_pin)

 

while True:

    try:

        # Lue lämpötila ja kosteus

        dht_sensor.measure()

        temperature = dht_sensor.temperature()

        humidity = dht_sensor.humidity()

 

        # Tulosta tulokset

        print("Lämpötila: {:.2f}°C".format(temperature))

        print("Kosteus: {:.2f}%".format(humidity))

 

         # Puhdista näyttö

        oled.fill(0)

 

        # Näytä tiedot näytöllä

        oled.text("Temp: {:.2f}C".format(temperature), 0, 0)

        oled.text("Humidity: {:.2f}%".format(humidity), 0, 16)

 

        # Päivitä näyttö

        oled.show()

 

    except Exception as e:

        print("Virhe:", str(e))

 

    # Pieni viive ennen seuraavaa mittauskertaa

    time.sleep(2)

   

    """

    oled.fill(0) # clear the display

    for jj in range(pix_res_x): # loop through horizontal display resolution

        adc_pt = adc_2.read_u16() # read adc and get 16-bit data point

        plot_pt = (adc_pt/((2*16)-1))(pix_res_y-1) # convert to OLED pixels

        oled.text('.',jj,int(plot_pt)) # update x=jj with data point

    oled.show() # show the new text and image

    """