ESP8266EX

ESP8266EX, single Chip WiFi network solution, SoC, 802.11bgn Smart Device

It's part of the radino-series, which provides full-Arduino-compatible wireless communication devices
in a small form factor, all pin-compatible to each other.

http://youtu.be/-T4tdIQMn6c

Features:

• Arduino-compatible (Arduino Micro / Leonardo)
• fully integrated WiFi Chip ESP8266 by Espressif (https://espressif.com/en/products/esp8266)
• 802.11 b/g/n protocol
• Wi-Fi Direct (P2P), soft-AP
• Integrated TCP/IP protocol stack
• Integrated TR switch, balun, LNA, power amplifier and matching network
• +19.5dBm output power in 802.11b mode
• ESP8266 Power down leakage current of <10uA
• Wake up and transmit packets in < 2ms
• ESP8266 Standby power consumption of < 1.0mW (DTIM3)
• 15 GPIOS (5 PWM, 5 Analog IN)
• I²C, SPI, UART
• USB (HUID Keyboard & Mouse, virtual UART)
• High-Performance, Low-Power Microcontroller ATmega32U4