try the ESP8266. its amazingly fast on i2c compared to the atmel 8bit cpus. I used to prefer spi on atmel but now that I see how fast updates are via esp, no reason to go back.

Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finall… ...

DIY Arduino smart glasses with OLED display 12:47 pm July 27, 2020 By Julian Horsey Student Mars Kapadia has created an awesome pair of smart glasses for his school science fair, complete with a ...