Hello friends, I hope you all are doing great. Today, I am going to share the new Arduino Mega 1280 Library for Proteus V4.0 . The Arduino Mega 1280 is the very first Arduino Mega, from 2009: the long blue board with the ATmega1280 microcontroller, an FT232RL USB chip, 54 digital pins and 16 analog inputs. With this Arduino Mega 1280 Library for Proteus , you place the board on your sheet, load your sketch's HEX file and press Run. The board then behaves like the real one: the ON LED lights up, the L LED follows pin 13, TX and RX flash with the serial data, and the RESET button really resets the chip. Updates Arduino Mega 1280 Library for Proteus Latest version: V4.0 (October 2026, this tutorial) Earlier versions: V3.0 (2023) · V2.0 (2021) · V1.0 (2020) Other boards: UNO · Mega 2560 · Nano ...