说明:Pcf8574-Gpio-Extender-Lib
关于库
Pcf8574-Gpio-Extender-Lib is for supporing multiple Pcf8574 boards together
in chain with less complexcity of the programming
mex we can connect 8 Pcf8574 together in chain which will give extra 64 pins for operations
<weixin_42116705> 上传 | 大小:3mb