37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
from sensors import Sensors
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from dht import DHT22
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from machine import ADC, Pin
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class TemperatureHumiditySensor(Sensors):
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sensor = None
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most_recent_values = []
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def __init__(self, settings):
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super().__init__(settings)
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print("Initialize dht22 sensor. Sensor pin is: " + str(settings['pin_int']))
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print(settings)
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self.sensor_pin_int = settings['pin_int']
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self.sensor = DHT22(Pin(self.sensor_pin_int, Pin.IN, Pin.PULL_UP))
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def read(self):
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try:
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self.sensor.measure()
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self.most_recent_values = [
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{
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'type': 'temperature',
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'value': self.sensor.temperature(),
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'unit': 'C'
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},
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{
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'type': 'humidity',
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'value': self.sensor.humidity(),
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'unit': '%'
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}
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]
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except OSError:
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print('DHT22 Error reading temperature/humidity. Check wires')
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print()
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