Esp32中（scn）不可以用；(scn) is not available in esp32

#1

esp32开发板中想用（scn）I2C扫描函数但不能用，包括arv版和其他版。表现为返回0到127。
The I2C scan function (scn) is intended to be used in the esp32 development board but cannot be used, including the ARV version and other versions. Represents returning 0 to 127。

#2

Sorry, the (scn) function was broken in the latest version 2.7. I’ve uploaded a new version 2.7b that fixes this, and it now works with the same (scn) function on all platforms.

Thanks for the reminder, and let me know if it works OK for you now.