Introduction:

Support for the Ardu-ino IDE 1.0+ (OSX/Win/Linux)

Power via USB or External Source - 5v or 7-35v (12v or less recommended automatic selection)

On-board 500ma 5V regulator

Built-in USB

26 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB)

8k flash memory (about 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

Package Include: 

10PCS   ATTINY88 Microcontroller Development Board