Description: 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 Regulator Built-in USB and serial debugging 6 I/O Pins (Two 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 pins Power LED and test/status LED (on Pin0) Package Includes: 1 Piece ATTINY85 Digispark Micro USB Development Board