Port Expander MCP23017 Interface with ESP8266-01 | How to Increase Number of GPIO Pins of ESP8266.

This video shows how to interface MCP23017 with ESP8266-01.

Download the Circuit Diagram from the link:

Download the Code from the link:

⭐️Please watch the video till the end. I hope that you successfully understand. If you don't understand, please comment on my videos. I try to help you.

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[jalzeriofigueira]

Thank you. My one was not working. You were so clear and simple, that helped me make it work.