# I2C

* *적용 모델: PMS 5003IB*
* I2C Slave Address: 0x12

※ *PMS 5003IB* I2C 통신을 사용하기 위해서는 SDA, SCL에 연결된 4.7K 풀업 저항이 필요함

## *PMS 5003IB* I2C protocol 센서 값 읽기 Command Sequence

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-6398470757e0cb38089fa34a3a2ea76a4c4f5612%2FPMS_5003IB_I2C_Desvription_sens_data.PNG?alt=media" alt=""><figcaption></figcaption></figure>

* Device에서 i2c Address(0x12)를 PMS 5003IB로 전송 후 32Byte 데이터 요청

## Sensor response interface protocol

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-3de5cb8fdc20d2a2fdb01f0902889a932c77dc07%2FPMS_5003IB_I2C_Desvription.PNG?alt=media" alt=""><figcaption></figcaption></figure>