ITEM NAME:Black TINY85 Micro Development Board ATTINY85 module for Arduino IIC I2C USB Hn.The I2C and SPI (vis USI). Support for the Arduino IDE 1.0 + (OSX/Windows/Linux). 6 I/O Pins (2 are informs the for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).