Adafruit Feather HUZZAH with ESP8266 WiFi: This is the Adafruit Feather HUZZAH ESP8266 – our take on an ‘all-in-one’ ESP8266 WiFi development board with built in USB and battery charging. Its an ESP8266 WiFi module with all the extras you need, ready to rock! Read more.
FeatherWing OLED – 128×32 OLED Add-on For All Feather Boards: A Feather board without ambition is a Feather board without FeatherWings! This is the FeatherWing OLED: it adds a 128×32 monochrome OLED plus 3 user buttons to any Feather main board. Using our Feather Stacking Headers or Feather Female Headers you can connect a FeatherWing on top of your Feather board and let the board take flight! Read more.