Learn how to establish a Wi-Fi communication (HTTP) between two ESP8266 NodeMCU boards to exchange data without the need to connect to the internet (you don’t need a router).

ESP8266 is a low-cost WiFi-enabled microcontroller chip, produced by Espressif Systems. NodeMCU is the development kit for the ESP8266 microcontroller. It is a low-cost open source IoT platform. It is ...

This paper presents the design and implementation of an automatic crop irrigation system based on a NodeMcu ESP8266 microcontroller integrated with the Blynk platform. The system is designed to water ...