written in Lua (nodeMCU)
###DHT22 read temperature and humidity from a DHT22 sensor and display it as web page
###HTML server some scripts with different complexity, serving html files stored in flash
###MCP3421 Demo using a high precision ADC with 0.05% accuracy. It displays the input value in volts on the console and a SSD1306 OLED display.
###NTP shows how to get the time and date from an ntp server
###pong-clock
using an ESP8266-01 module and an SSD1306 OLED display
see here what it is: http://youtu.be/Su3f5w3nEbg