Category Archives: Radio Modules

ESP8266 Web Server using Arduino IDE

In this project you’ll create a standalone web server with an ESP8266 Wi-Fi Module that can toggle two LEDs.

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.

How to Install the ESP8266 Board into the Arduino IDE

There are a variety of development environments that can be used to program the ESP8266. The ESP8266 community created an add-on for the Arduino IDE that allows you to program the ESP8266 using the Arduino IDE and its programming language.

ESP8266 WiFi Module – AT Command Reference

ESP8266 WiFi Module, in it’s default configuration, boots up into the serial modem mode. In this mode you can communicate with it using a set of AT commands. I will present to you a reference of all known AT commands that ESP8266 supports, explain what they do and how to use them.
Historically AT commands are based on the Hayes Command Set and these are no different.

Using RF 433MHz Transmitter/Receiver Module With Arduino

This Article aims to be a comprehensive guide to the popular RF 433MHz Transmitter/Receiver modules. Information on how they work, some features, and an Arduino project example that you can take and apply to other projects.

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.

Beginnings of a Computer Controlled LEGO Train Layout

Modular Train Layout
For the last few weeks I have been putting together a Modular LEGO Train Layout. Each Module is based on a 900mm X 1200 X 6mm MDF board mounted to a 70mm X 20mm Timber Frame. The Module use a series of Dowls and Holes to join the Modules together. This arrangement allow for easy storage and transportation to LEGO Shows and Displays.



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