and this new tutorial by [Embedds] does an excellent job of how to use I 2 C with an AVR with a 24C16 2Kbyte EEPROM. The first half of the tutorial provides a clear explanation of how I 2 C works ...

[Ralph] has been working on an extraordinarily tiny bootloader for the ATtiny85, and although coding in assembly does have some merits in this regard, writing in C and using AVR Libc is so much ...