HW Features

Processor and memory

• AR9331 highly integrated and cost effective Wireless System-On-A-Chip (WiSoC) operating at 400MHz
• 16 MB Flash and 64 MB DDR2 RAM
• Coprocessor LPC11xx ARM Cortex-M0 CPU for analog I/O and additional real-time HW interfaces

Additional storage

• Support for micro SD card
• Support for USB key flash

General purpose IO and interfaces

• Total of 32 x GPIO • 1 x UART
• 2 x SPI
• 1 x i2c
• 8 x ADC, 10bit precision
• 6 x PWM, 16bit precision
• 2 x USB host
• 1 x mini USB FTDI serial to USB adapter
• 1 x Ethernet interface on back of the board

Wireless connectivity

• WiFi IEEE 802.11bgn 1×1 2.4 GHz integrated into AR9331 processor
• Simultaneous (at the same time) AP and STA modes. Unlimited virtual wlan interfaces for creating complex network topologies.

Test actuator and sensor

• Onboard RGB LED, connected to 3 PWM outputs
• Onboard digital thermometer LM75

Power supply

• External supply 5V DC or from USB
• 3.3V operating voltage
• 5V tolerant GPIO except on ADC pins when reading ADC
• 5V and 3.3V available voltages on board

Programming interfaces

• AR9331 JTAG
• LPC11xx JTAG