CPU

Tensilica Xtensa LX6 32 bit Dual Core at 160/240 MHz

SRAM

520 KB

FLASH

2 MB (max. 64 MB)

Voltage

2.2 V to 3.6 V

Operating Current

80 mA average Free

Programmable

Free (C, C++, Lua, etc.)

Open Source

Yes

Wi-Fi

802.11 b/g/n

Bluetooth

4.2 BR/EDR + BLE

UART

3

GPIO

32 pins