Communication between ESP32 and ESP8266 through SDA and SCL

wan420
Posts: 6
Joined: Mon Nov 12, 2018 8:49 am

Communication between ESP32 and ESP8266 through SDA and SCL

Postby wan420 » Fri Nov 16, 2018 10:04 am

I havent started working on this yet, but is there anyone here who have tried sda and scl communication between an ESP32 and ESP8266? I know about wifi and mqtt message transfer but I specifically want to make this happen using SDA and SCL.
Any suggestions? Links?
Thank you


wan420
Posts: 6
Joined: Mon Nov 12, 2018 8:49 am

Re: Communication between ESP32 and ESP8266 through SDA and SCL

Postby wan420 » Tue Nov 27, 2018 7:14 am

Sorry for the late reply, I followed the link and also the code, but I am not getting any output on the serial monitor.
In my case the Nodemcu32s is the master and esp8266 nodemcu is the slave. D1 and D2 is the sda and scl for esp8266. But I am not getting any output in the serial monitor, I am supposed to check the serial monitor of the esp8266 right? esp8266 is the slave.

wan420
Posts: 6
Joined: Mon Nov 12, 2018 8:49 am

Re: Communication between ESP32 and ESP8266 through SDA and SCL

Postby wan420 » Mon Dec 03, 2018 6:32 am

I got it work through serial communication. But thanks for the help.

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