GitHub repository: mechatroniks-git/megaTinyCore
Description: Arduino core for the tinyAVR 0/1/2-series - this is any ATtiny part where hundreds and thousands place is 2 or more (flash size in kb), the ones place is a 2, 4, 6, or 7 (8. 14. 20 or 24 pins) and the tens place is a 0, 1, or 2 (featureset)/