dht

dht11

Pure Python library for reading DHT11 sensor on Raspberry Pi

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DHT11 Python library

This simple class can be used for reading temperature and humidity values from DHT11 sensor on Raspberry Pi.

Installation

To install, just run following:

pip install dht11

Usage

  1. Instantiate the DHT11 class with the pin number as constructor parameter.
  2. Call read() method, which will return DHT11Result object with actual values and error code.

For example:

import RPi.GPIO as GPIO
import dht11

# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.cleanup()

# read data using pin 14
instance = dht11.DHT11(pin = 14)
result = instance.read()

if result.is_valid():
    print("Temperature: %-3.1f C" % result.temperature)
    print("Humidity: %-3.1f %%" % result.humidity)
else:
    print("Error: %d" % result.error_code)

For working example, see dht11_example.py (you probably need to adjust pin for your configuration)

License

This project is licensed under the terms of the MIT license.

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