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# Measuring Sound Level

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FU1NQKOt5z4AaHc4AY3g7%2Fimage.png?alt=media&#x26;token=72e9f9c9-72d7-4647-9003-b5d8c20a8e1a" alt=""><figcaption></figcaption></figure>

Human activities create noise pollution that affect people's health.

### Experiment Preparations

#### Prepare the following equipment:

* Futureboard Lite
* Sound Measuring Device
* White Connecting Cable

#### Wiring

Connect the sound measuring device to futureboard lite.

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2Fsx9PQcyw6jvvpNYiLwih%2Fsoundsensor_wiring.png?alt=media&#x26;token=658dc38c-1202-40dd-aab8-05dd45a2f9b0" alt=""><figcaption></figcaption></figure>

#### Select Program

Open 「水溫.py」.

{% embed url="<https://youtu.be/SaZO2MJzdlM>" %}

#### Begin Measuring

Futureboard lite will display the measured noise level.(dB)

{% embed url="<https://youtu.be/keSccyhM_FE?si=KNq8neV5JzK5pJII&t=137>" %}


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