32 lines
669 B
Python
32 lines
669 B
Python
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from machine import Pin
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from time import sleep
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import dht
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from utime import sleep_ms
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# Define DHT Version (11 or 22) and Input Pin
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sensor = dht.DHT22(Pin(16))
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# Define Onboard LED Pin
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led = Pin(2,Pin.OUT)
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# Turn it off first
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led.value(0)
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# Define blink function
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def blink():
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led.value(0)
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sleep_ms(50)
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led.value(1)
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# Main Script Here
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while True:
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try:
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sleep(2)
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sensor.measure()
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temp = sensor.temperature()
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hum = sensor.humidity()
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if(temp > 24.0 or hum > 49.0):
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blink()
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print('Temperature: %3.1f C' %temp)
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print('Humidity: %3.1f %%' %hum)
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print("")
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except OSError as e:
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print('Failed to read sensor.')
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