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DHT11/DHT22 – RPI Pico
Table of Contents
Wiring #
| DS18B20 | Raspberry Pi Pico |
| GND | GND |
| Data | Any digital GPIO (we’ll be using GPIO22); you also need to connect a 4.7KOhm resistor between the data line and VCC |
| VDD | 3V3(OUT) |
Read DHT11/22 sensor (micropython) #
from machine import Pin
from time import sleep
import dht
sensor = dht.DHT22(Pin(22))
#sensor = dht.DHT11(Pin(22))
while True:
try:
sleep(2)
sensor.measure()
temp = sensor.temperature()
hum = sensor.humidity()
temp_f = temp * (9/5) + 32.0
print('Temperature: %3.1f C' %temp)
print('Temperature: %3.1f F' %temp_f)
print('Humidity: %3.1f %%' %hum)
except OSError as e:
print('Failed to read sensor.')Thonny output
