https://ncrmnt.org/2012/07/16/proof-of-concept-13-%d1%81%d0%b5%d1%80%d0%b2%d0%be%d0%bc%d0%b0%d1%88%d0%b8%d0%bd-%d0%bf%d0%be-%d1%83%d1%81%d0%b1-%d1%81-attiny2313/?lang=ru