ESP8266 WiFi Shield for Arduino and other micros

by drmpf @ instructables.com: This ESP8266-01 WiFi Shield is an alternative to the Very Cheap/Simple Wifi Shield for Arduino and other micros. The Very Cheap/Simple Wifi Shield for Arduino and other micros uses an Adafruit HUZZAH ESP8266 module and is the simplest to wire up. However if you already have an...