ATTiny88 (16.0 mhz) based microcontroller development board similar to the Arduino series, only cheaper, smaller, and a bit less powerful. Compatible with arduino IDE.
Support for the Arduino IDE 1.0 + (OSX / Win / Linux) Power supply over USB or External Source-5v or 7-35v (12v or less recommended, automatic selection) On-board 500ma 5v regulator Built-in USB 26CH I/O Pins (2 are used for USB only if your program actively communicates via USB, otherwise you can use all if you are programming via USB) 8k Flash Memory (over 6k after bootloader) I2C and SPI 26-PWM (26 pins with software PWM, only two (D9, D10) with hardware PWM) ADC on 8 pins Power LED and test / status LED Size (mm): 44.5×18.3×3