ESP8266 serial WIFI wireless module for arduino

ESP8266 adalah solusi komunikasi Wi-Fi ke Serial yg lengkap. Dapat dihubungkan ke Arduino melalui pin Rx Tx dan menggunakan perintah AT Command.

Spesifikasi:
* 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
* Integrated PLL, regulators, and power management units
* +19.5dBm output power in 802.11b mode
* Integrated temperature sensor
* Supports antenna diversity
* Power down leakage current of < 10uA
* Integrated low power 32-bit CPU could be used as application processor
* SDIO 2.0, SPI, UART
* STBC, 11 MIMO, 21 MIMO
* A-MPDU & A-MSDU aggregation & 0.4s guard interval
* Wake up and transmit packets in < 2ms
* Standby power consumption of < 1.0mW (DTIM3)
* Size: 13.2 x 21.1mm

Interface yg berhubungan:
* SDIO 2.0, SPI, UART
* 32-pin QFN package
* Integrated RF switch, balun, 24dBm PA, DCXO, and PMU
* Integrated RISC processor, on-chip memory and external memory interfaces
* Integrated MAC/baseband processors
* Quality of Service management
* I2S interface for high fidelity audio applications
* On-chip low-dropout linear regulators for all internal supplies
* Proprietary spurious-free clock generation architecture
* Integrated WEP, TKIP, AES, and WAPI engines

Referensi lengkap:
http://www.electrodragon.com/w/Wi07c

Tutorial:
http://www.seeedstudio.com/blog/2014/09/11/getting-started-with-esp8266/