This development shield provides many additional features to MCU as Arduino. The card includes a WiFi module ESP8266 ESP-13 and integrates a temperature sensor and humidity. Interfaces with Arduino via the standard interface UART (TTL) or via the GPIO ports. Possibility of remote control via simple AT commands.
Supports wireless standards: 802.11 b / g / n
Communication interfaces supported: UART, GPIO
Supports modes: STA / AP / STA + AP
Installed sensors: temperature and humidity
LED status: three color RGB
AT commands support
Support debugging via Free AiCloud
Dimensions: 61.6 x 56.2 mm
For more info download datasheet.