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by biccius
Sat May 20, 2017 10:01 pm
Forum: Documentation Request
Topic: I2C Slave Mode
Replies: 60
Views: 129246

Re: I2C Slave Mode

I'm trying to communicate from a Arduino Pro Mini (3.3V, Atmega328 8Mhz) to ESP8266 (nodemcu) using the code by Divingshrek but i can't get any data transfer. What's wrong? connections: ESP8266 <--> GPIO 4 (D2) SCL <==> SCL (A4) <--> PRO-MINI ESP8266 <--> GPIO 5 (D1) SDA <==> SDA (A5) <--> PRO-MINI ...

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