Progress
https://lh3.googleusercontent.com/-O...213_142453.jpg
With the open source micro controller movement there just is not a market for a $90 Attiny84 board as a universal board. 5 years ago there might have been. If you are looking for something like that check this out.
Some size comparisons
https://lh5.googleusercontent.com/-j...213_160411.jpg
Left to Right
- CR123A
- Dirty DNA
- Dirty DNA Button
- Pro Micro (clone)
- Teensy 3.1 (OSH Park edition)
https://lh3.googleusercontent.com/-g...213_154438.jpg
https://lh3.googleusercontent.com/-B...213_154724.jpg