Adafruit Feather Huzzah ESP8266 (monterad)

The Adafruit Feather is a tiny development board available in many versions. This one is based on the ESP8266, a combined WiFi-module/microcontroller from Tensilica. The board has build in USB with auto reset and a battery charger for LiPo-batteries. Can be programmed from the Arduino IDE or NodeMCU Lua.

* Microcontroller: ESP8266 @ 80MHz
* Memory: 4Mb flash
* Voltage levels: 3.3V
* WiFi: 802.11 b/g/n
* USB: CP2104 USB-seriell (max 921600bps)
* GPIO: 9x (I2C / SPI)
* ADC: 1x (1V max)
* Size: 51 x 23 x 8mm