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Connect nodemcu and UNO with i2c

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Gunner November 16, 2018, 8:13am 2

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Turning "Old" Arduinos into Perfectly Usable IoT Devices Projects made with Blynk

Dual MCU communication with EasyTransfer And some simple, unrefined, demo code running Blynk on a ESP8266 that is sending control signals to an Arduino that is running a stepper motor. Code for ESP8266 - Running Blynk and sending control info to Arduino over Serial #include <BlynkSimpleEsp8266.h> // For Blynk #include <ESP8266WiFi.h> // For Blynk & OTA #include <ESP8266mDNS.h> // For OTA #include <WiFiUdp.h> // For OTA #include <ArduinoOTA.h> // For OTA #include <EasyTransfer.h> // …

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