Category Archives: NodeMCU Coding

Getting Two ESP8266 WiFi Modules Communicating

esp-client-vs-server

In this project we’re going to make two ESP8266 talk with each other.

How it works? We’re going to set one ESP as an Access Point (Server) and another ESP as a Station (Client). Then they’ll establish a wireless communication and the Client sends a message to the Server saying “Hello World!”.

Installing NodeMCU Firmware on the ESP8266 WiFi Module

ESP8266

Why flash your ESP8266 module with NodeMCU?

NodeMCU is a firmware that allows you to program the ESP8266 modules with LUA script. And you’ll find it very similar to the way you program your Arduino. With just a few lines of code you can establish a WiFi connection, control the ESP8266 GPIOs, turning your ESP8266 into a web server and a lot more.

ESP8266 Troubleshooting Guide

The ESP8266 has a few common issues, specially when you are trying to flash a new firmware or uploading scripts. Here’s a compilation with some of the most common problems with the ESP8266 and how to fix them.



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