ITEM NAME:3x Digispark Kickstarter Micro-USB Development Board for Arduino Attiny85 O8A2 3x Digispark Kickstarter Micro-USB Development Board for Arduino Attiny85 O8A2 Supports Arduino IDE 1.0+ (OSX/Win/Linux). Can be.Supports Arduino IDE 1.0+ (OSX/Win/Linux). 6 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). Built-in USB (Serial debugging).