Captive Portal
Another Captive Portal
NodeMCU Documentation
Development of NodeMCU e-Book - AP setup section
NodeMCU Examples
ESP8266 Quick Start Guide
Intro to the GPIO API
Lua Basics
ESP8266 Community Wiki - Getting Started
Web Sensor from Scratch - Good info on flashing
1.2V to 3.3V Boost Converter Schematic
UK Based SparkFun 3.3V Step-up Converter