ATtiny 25/45/85 (8 pin) or AtTiny 24/44/84 (14 pin). I'm not familiar with them and hence not sure if all pins of the x5 are available for use; x4 has more pins so a little more flexibility possible.
ATtiny 25/45/85 (8 pin) or AtTiny 24/44/84 (14 pin). I'm not familiar with them and hence not sure if all pins of the x5 are available for use; x4 has more pins so a little more flexibility possible.