Hello friends, I hope you all are doing great. Today, I am going to share the new Arduino UNO Library for Proteus V4.0 . The Arduino UNO is the board most of us learned with, and it is the heart of most of our Proteus simulations. With this Arduino UNO Library for Proteus , the UNO on your Proteus sheet behaves much more like the one on your desk: its LEDs work , the RESET button runs the bootloader, the 5V and 3.3V pins really power your parts, and a serial monitor is built into the board , so you no longer have to wire a Virtual Terminal to see what your sketch prints. Updates Arduino UNO Library for Proteus Latest version: V4.0 (October 2026, this tutorial) Earlier versions: V3.0 (2023) · V2.0 (2021) · V1.0 (2015) Other boards: Mega 2560 · Mega 1280 · Nano · Pro Mini · Mini (V4.0) All s ...