Feather HUZZAH with ESP8266 Wi-Fi®

Adafruit Feather HUZZAH with ESP8266 Wi-Fi® is designed as an all-in-one ESP8266 Wi-Fi development board with built-in USB and battery charging. The board features the ESP8266 Wi-Fi microcontroller clocked at 80MHz and at 3.3V logic. The ESP8266 includes a Tensilica chip core and a full WiFi stack. Designers can program the microcontroller using the Arduino IDE for an easy-to-run Internet of Things core.