I put together a basic ESP8266 Arduino example sketch for how to get it working. It's just slightly different than some of the ones that were published by seeedstudio etc including some changes in the baud rates that worked for me. I also put together a schematic on how to wire up everything. Be sure to use level shifters on the Arduino TX line if you aren't using a 3V Arduino like I did.
Software developer by day, embedded systems and electronics enthusiast by night.
Northside Makers - Maker group for the Virginia Peninsula