ESP32 Forum

Posted: **Tue Jul 10, 2018 12:35 pm**

Hello,

can anyone help me. A little example for the "I2C 8-bit I/O expander module" PCA8574AD. It worked fine with the libs on Arduino, but with esp-idf I have some problems.

Bye

Posted: **Wed Jul 11, 2018 3:55 am**

https://github.com/nkolban/esp32-snippe ... CF8574.cpp

Posted: **Wed Jul 11, 2018 7:10 am**

Thanks for the quick answer.

I forgot an important thing: I need a C sample and not CPP.

ESP32 Forum

ESP-IDF: Code for PCA8574

ESP-IDF: Code for PCA8574

Re: ESP-IDF: Code for PCA8574

Re: ESP-IDF: Code for PCA8574