The super small, dirt cheap, always open source, Arduino compatible, USB (and Mobile and Wireless!) development (and production) platform, and follow-up to the original Digispark.Easier to use ...

There has recently been a huge influx of extremely small dev board based on the ATtiny85. This small 8-pin microcontroller is able to run most Arduino sketches, and the small size and low price of… ...

The tiny Nanite 85 Arduino development board was created as a fun project after its creator Tim had seen the Digispark and, subsequentally, the Adafruit Trinket were announced.