ESP-IDF: Code for PCA8574

uwe_pg
Posts: 5
Joined: Sun Jun 18, 2017 9:07 am

ESP-IDF: Code for PCA8574

Postby uwe_pg » 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

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kolban
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Location: Texas, USA

Re: ESP-IDF: Code for PCA8574

Postby kolban » Wed Jul 11, 2018 3:55 am

Free book on ESP32 available here: https://leanpub.com/kolban-ESP32

uwe_pg
Posts: 5
Joined: Sun Jun 18, 2017 9:07 am

Re: ESP-IDF: Code for PCA8574

Postby uwe_pg » 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.

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