Frentaly&reg; Digispark Kickstarter Attiny85 USB Development Board for arduino Newly Improved Version Digispark is an Attiny85 based microcontroller development board similar to Arduino family More economical, smaller but a bit less powerful than Arduino board On-board 150ma 5V Regulator with 100% support for the Arduino IDE 1.0 + (OSX/Win/Linux) Perfect sized to fit where Arduino boards will not fit in