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DHT11とRaspberry Piで温湿度を取得

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DHT11は3ピンタイプを使用。

配線は下図のように。
GPIO14から温湿度を取得。

lchika_ブレッドボード.png

下記リポジトリのコードを利用。

$ git clone https://github.com/szazo/DHT11_Python
$ cd DHT11_Python
$ python3 -m pip install .

サンプルコードを実行。

$ python example.py
Last valid input: 2020-04-13 23:25:23.831141
Temperature: 21.1 C
Humidity: 50.0 %
Last valid input: 2020-04-13 23:25:29.914568
Temperature: 21.1 C
Humidity: 56.0 %
Last valid input: 2020-04-13 23:25:35.998205
Temperature: 21.2 C
Humidity: 69.0 %

6秒おきに温湿度を取得して標準出力に表示する。
ハーっと息を吹きかけたりすると温湿度が上がるのが確認できる。

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