WiFi-enabled Banjo

WiFi-enabled Banjo
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Primary Contact	Michael Erskine
Created	31/03/2016
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QR code

Toby bought a banjo and it has suffered feature creep. We are adding a WiFi hotspot and a website.

Project Overview

Project on GitHub: https://github.com/msemtd/WiFiBanjo

Status --Michael Erskine (talk) 11:20, 1 April 2016 (UTC)

• NodeMCU obtained from the far East running an Arduino core
• Power bank also secured - needs a good charging
• power connector made up with 12V to 5V step down
• GitHub project created with first Arduino sketch for Captive Portal

Info

Running the Arduino core on the NodeMCU

• http://esp8266.github.io/Arduino/versions/2.1.0/doc/reference.html

Captive Portal Mode

• Pretty dull and limited space for a mad, interactive website
• confusing to visitor unless we can get it to redirect automatically and open a browser on the page (a la other fancy captive wifi portals)

Client Net Mode

• banjo NodeMCU operates as WiFi client (will need AP config though!)
  • perhaps have a config AP switch on there for setup - username and password protected
• NodeJS server to accept (preferably persistent) connection from banjo - WebSockets?
• we want snappy control of banjo from a globally available website - URL available as QRcode or tinyurl from handy page
• website shows if banjo is online or not - might provide location map too
• many people can connect to the website as visitors and authenticate in some manner (Facebook Auth is easy-ish)
• Performer asks crowd to do something on the website to authenticate - shares a time limited secret
• queue of visitors who want to control something on the banjo
• Performer has administrative interface and can see who wants to do what
• authenticated visitors can leave a message on the chat window
• banjo can indicate how many visitors there are
• this admin interface can be all sorts of things but a nice tablet might be best