Robot Cing can be programed with 4 stages of difficulty:

-scratch(ThinkerCad)
-Cing's libraries
-Arduino IDE-AVR
-Atmel studio
Compatibile procesors:

-Attiny13

-Attiny25/45/85

-Attiny24/44/84

-Atmega8

-Atmega328

-Atmega32u48 (in progress)

-Esp8266 (in progress)

This project uses MicroCore and Attiny.