AiTrip 5pcs Digispark Kickstarter Attiny85 General Micro USB Development Board for Arduino
- Support for the . IDE 1.0+ (OSX/Win/Linux)..
- Power via USB or External Source - 5v or 7-35v (automatic selection)..
- 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)..