**本文演示Air780EPM的i2c接口的三种使用方式：**

1. Air780EPM的i2c接口挂载AirGPIO_1000配件板实现I2C转16路GPIO功能，详细demo请查看
   [AirGPIO_1000](https://gitee.com/openLuat/LuatOS/tree/master/module/Air780EPM/demo/accessory_board/AirGPIO_1000)

   使用教程请查看
   [01 AirGPIO_1000 - luatos@air780epm - 合宙模组资料中心](https://docs.openluat.com/air780epm/luatos/app/accessory/AirGPIO_1000/)

2. Air780EPM的i2c接口挂载AirSHT30_1000配件板读取温湿度功能，详细demo请查看
   [AirSHT30_1000](https://gitee.com/openLuat/LuatOS/tree/master/module/Air780EPM/demo/accessory_board/AirSHT30_1000)

   使用教程请查看
   [03 AirSHT30_1000 - luatos@air780epm - 合宙模组资料中心](https://docs.openluat.com/air780epm/luatos/app/accessory/AirSHT30_1000/)
   
3. Air780EPM的i2c接口挂载AirVOC_1000配件板读取空气质量数据功能，详细demo请查看
   [AirVOC_1000](https://gitee.com/openLuat/LuatOS/tree/master/module/Air780EPM/demo/accessory_board/AirVOC_1000)
   
   使用教程请查看
   [04 AirVOC_1000 - luatos@air780epm - 合宙模组资料中心](https://docs.openluat.com/air780epm/luatos/app/accessory/AirVOC_1000/)