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Raspberry Pi Pico W MicroPython Crash Course Day 8 | Display Temperature and Humidity on OLED Part 1.

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
import dht
import time

Wait a bit for power stability
time.sleep(3)

Initialize I2C & peripherals safely
try:
i2c = I2C(0, scl=Pin(1), sda=Pin(0), freq=400000)
oled = SSD1306_I2C(128, 64, i2c)
except Exception as e:
print("I2C init failed:", e)
while True:
pass

Initialize DHT sensor
sensor = dht.DHT11(Pin(2))

oled.fill(0)
oled.text("Secret of", 20, 10)
oled.text("Electronics", 10, 25)
oled.text("Loading...", 25, 45)
oled.show()
time.sleep(2)

while True:
try:
sensor.measure()
temp = sensor.temperature()
hum = sensor.humidity()

oled.fill(0)
oled.text("Secret of", 20, 0)
oled.text("Electronics", 10, 10)
oled.text("Temp: {} C".format(temp), 0, 35)
oled.text("Humi: {} %".format(hum), 0, 50)
oled.show()

time.sleep(2)

except Exception as e:
oled.fill(0)
oled.text("Sensor Error!", 10, 25)
oled.show()
time.sleep(2)