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temperature.rst

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temperature/humidity

dht(name, pin);

Other names: dht11, dht22

ds18b20(name, pin);

Other names: dallas

Create a new temperature (+ humidity) sensor device. name will be appended to the mqtt topic and corresponding value will be published there under a subtopic temperature or humidity.

Currently the dht11, dht22, and ds18x20 chips are supported. Chose the respective creation method.

Parameters

  • name: the name it can be addressed via MQTT in the network. Inside the code it can be addressed via IN(name).
  • pin: the gpio pin

With .with_filter a filter function can be specified: (see filter).

Example

node name: living room/ht1

dht(ht01, D1);

Now temperature and humidity are published as living room/ht1/ht01/temperature and living room/ht1/ht01/humidity.