The slave responds with its address to the master. In summary, This project shows how the Arduino uno and the ESP8266 or nodeMCU communicate via I2C protocol. The nodeMCU as a master sends a "hello ...

Programming ESP8266 to Establish Communication with Broker A simple Arduino code takes care of all the necessary communications between the MQTT broker and the NodeMCU. In this section, we will learn ...

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This tutorial aims to introduce you to NodeMCU ESP8266-12 module and help you get started with it. Also, we will see how to program this module using Arduino IDE and we will run a couple of test ...

Discover how to build a real-time event notification system by integrating NodeMCU (Arduino) with Google Firebase and Laravel. This tutorial covers the complete setup, from hardware to cloud and ...

An efficient and reliable security system is always an important requirement for residential buildings. Though there are already some options available in the commercial home security segment, the ...