My tweets

• Sat, 23:11: Book finished: Seveneves http://t.co/AcTPggE6JL
• Sun, 00:00: This is pretty gorgeous. https://t.co/4QzamjPjQH

[Dragonfly DIY] Experiments with the ESP8266 wifi module

Here's a page with the Arduino environment setup for this device.
https://github.com/esp8266/Arduino

Here's a page with some info including a schematic:

http://myesp8266.blogspot.com/2015/03/other-interesting-board-is-this-board.html