jingl3s / DHT11-DHT22-Python-library-Orange-PI

Read temperature and humidity values from DHT22 sensor on Orange PI.

DHT22 Python library This simple class can be used for reading temperature and humidity values from DHT22 sensor on Orange PI.

Fork with some patches from https://forum.armbian.com/topic/5718-need-help-with-dht11-temp-sensor-and-python-code/

• Home made to ensure read is available even if there is not exactly the expected data lenght AM2301 usage
• Usage with Python3
• Usage with pyA20 for OPi Zero https://github.com/nvl1109/orangepi_zero_gpio

My Case of usage

• Used with a Orange Pi Zero H2+
• Used with a AM2301 setup as DHT22
• Used with a DHT11
• Used within a display SSD 1306 with https://github.com/jingl3s/OrangePiZero_OLED_Dht_display

Usage

Example:

from pyA20.gpio import gpio
from pyA20.gpio import port
 
import dht
import time
import datetime
 
# initialize GPIO
PIN2 = port.PA6
gpio.init()
 
# read data using pin
instance = dht.DHT(pin=PIN2)
 
while True:
    result = instance.read()
    if result.is_valid():
        print("Last valid input: " + str(datetime.datetime.now()))
        print("Temperature: %.2f C" % result.temperature)
        print("Humidity: %.2f %%" % result.humidity)
 
    time.sleep(1)

Please see tutorial: http://www.piprojects.xyz/temperature-sensor-orange-pi-python-code/

Source project https://github.com/ionutpi/DHT22-Python-library-Orange-PI