I2C connected to the camera sensor.

此模块包括发送数据及接收数据，应答位发送，并提供了几个直接面对器件的操作函数，能很方便的与用户程序进行连接并扩展。(his module includes sending data and receiving data, sending the response bit, and providing several operating functions directly facing the device, which can be easily connected and extended