ESP8266 Community Forum

Posted: **Sun Aug 09, 2015 11:10 pm**

Howdy folks,
A short video on using the ESP8266 in conjunction with the PCF8574 to increase the number of available GPIOs.

https://www.youtube.com/watch?v=_CKY5WcTQQk

My preference for vendor for PCF8574 is:

http://www.ebay.com/itm/10Pcs-PCF8574P- ... 0831854551

Neil

Posted: **Thu Sep 17, 2015 8:01 am**

That was absolutely amazing introductory to this chip ..

Using the PCF8574 to extend the number of GPIOs