ATTINY85 Compatible Microcontroller
The ATTiny, one of the most useful microcontrollers you can get your hands on. Due to the footprint of this component you can find these microcontrollers on any wearable projects. They are also very inexpensive, this product comes with the features of the ATTiny on a simple board with Micro USB port and some headers for easy interfacing and programming. These ATTiny are commonly used for RGB LEDs based projects. They also come with a voltage regulator allowing you to supply external voltage from 7-12VDC. You will only get access to 6 pins and the ATTINY is surface mounted on this board.
Resources: http://www.instructables.com/id/Digispark-DIY-The-smallest-USB-Arduino/
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