Fork of the excellent esp8266-react - https://github.com/rjwats/esp8266-react
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README.md

ESP8266 React

A simple, extensible framework for getting up and running with the ESP8266 microchip and a react front end.

Designed to work with the PlatformIO IDE with limited setup.

Why I made this project

I found I was repeating a lot of work when starting new IoT projects with the ESP8266 chip.

Most of my IoT projects have required:

  • Configurable WiFi
  • Configurable access point
  • Synchronization with NTP
  • The ability to perform OTA updates

I also wanted to adopt a decent client side framework so the back end could be simplified to a set of REST endpoints.

All of the above features are included in this framework, which I plan to use as a basis for my IoT projects.

The interface is responsive and should work well on mobile devices. It also has the prerequisite manifest/icon file, so it can be added to the home screen if desired.

Screenshots

Getting Started

Prerequisites

You will need the following before you can get started.

  • PlatformIO - IDE for development
  • NPM - For building the interface
  • Bash shell, or Git Bash if you are under windows

Installing in PlatformIO

Pull the project and add it to PlatformIO as a project folder (File > Add Project Folder).

PlatformIO should download the ESP8266 platform and the project library dependencies automatically.

Once the platform and libraries are downloaded the back end should be compiling.

Building the interface

The interface has been configured with create-react-app and react-app-rewired so the build can customized for the target device. The large artefacts are gzipped and source maps and service worker are excluded from the production build.

You will find the interface code in the ./interface directory. Change to this directory with your bash shell (or Git Bash) and use the standard commands you would with any react app built with create-react-app:

Download and install the node modules

npm install

Build the interface

npm run build

NB: The build command will also delete the previously built interface (the ./data/www directory) and replace it with the freshly built one, ready for upload to the device.

Running the interface locally

npm start

NB: To run the interface locally you will need to modify the endpoint root path and enable CORS.

The endpoint root path can be found in Endpoint.js (./interface/src/constants/). This needs to be the root URL of the device running the back end, for example "http://192.168.0.6".

CORS can be enabled on the back end by uncommenting the -D ENABLE_CORS build flag in platformio.ini and re-deploying.

Configuration & Deployment

Standard configuration settings, such as build flags, libraries and device configuration can be found in platformio.ini. See the PlatformIO docs for full details on what you can do with this.

By default, the target device is "esp12e". This is a common ESP8266 variant with 4mb of flash though any device with at least 2mb of flash should be fine. The settings configure the interface to upload via serial by default, you can change the upload mechanism to OTA by uncommenting the relevant lines.

As well as containing the interface, the SPIFFS image (in the ./data folder) contains a JSON settings file for each of the configurable features. The config files can be found in the ./data/config directory:

File Description
apSettings.json Access point settings
ntpSettings.json NTP synchronization settings
otaSettings.json OTA Update configuration
wifiSettings.json WiFi connection settings

The default settings configure the device to bring up an access point on start up which can be used to configure the device:

  • SSID: ESP8266-React
  • Password: esp-react

Software Overview

TODO...

Future Extensions

  • Provide an emergency config reset feature, via a pin held low for a few seconds
  • Access point should provide captive portal
  • Perhaps have more configuration options for Access point: IP address, Subnet, etc
  • Enable configurable mDNS
  • Introduce authentication to secure the device

Libraries Used

NB: The project doesn't currently fix it's dependencies to a particular version. PlatformIO will always use the latest version.