What are the functions of the new blocks in the LEGO MINDSTORMS programming environment?

Question

Arduino

Hello, there is an article on how to connect ev3 and arduino.
www.dexterindustries.com/howto/connecting-ev3-arduino Please
explain the programming part of the text. What are the functions of the new blocks in the LEGO MINDSTORMS programming environment?

Answer 1

Hmm, it also says that these blocks are used to read/write bytes (1 byte, 8 bytes) and read analog values ​​from the Arduino.