import time import board import adafruit_dht # connect Device dhtDevice = adafruit_dht.DHT22(board.D4, use_pulseio=False) # you can pass DHT22 use_pulseio=False if you wouldn't like to use pulseio. # This may be necessary on a Linux single board computer like the Raspberry Pi, # but it will not work in CircuitPython. # dhtDevice = adafruit_dht.DHT22(board.D18, use_pulseio=False) while True: try: # Print the values to the serial port temperature_c = dhtDevice.temperature humidity = dhtDevice.humidity print("Temp: {:.1f} C Humidity: {}% ".format(temperature_c, humidity)) except RuntimeError as error: # Errors happen fairly often, DHT's are hard to read, just keep going print(error.args[0]) time.sleep(2.0) continue except Exception as error: dhtDevice.exit() raise error time.sleep(2.0)