5Pcs Digispark Kickstarter Micro USB Development Board For ATTINY85 ArduinoFeatures:Support for the Arduino IDE 1.0+ (OSX \/ Win \/ Linux)Power via USB or External Source - 5V or 7 -35V (automatic selection)On-board 500ma 5V RegulatorBuilt-in USB(and serial debugging)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)8k Flash Memory (about 6K after bootloader)I2C and SPI(vis USI)PWM on 3 pins (more possible with Software PWM)ADC on 4 pinsPower LED and Test\/ Status LED (on Pin0)Weight: 4gPackage included:5 x Development Board