As you can guess, each of this packets takes quite a bit of space inside the ATTiny’s flash memory: 2+Kbytes. All of the code used may be downloaded on the creator’s GitHub repository ...
For example, a 128×64 monochrome OLED requires a 1024 byte buffer, but that’s bad news if a microcontroller has only 512 bytes of RAM in total like the ATtiny85. [David Johnson-Davies] has two ...