Hello friends! In this tutorial, we will install the Arduino Nano Library for Proteus, load a compiled Arduino program and run an LED-blinking simulation. We will follow the same sequence you would use for a larger project: identify the board, install its model, check the basic circuit and then add your application. Updates Arduino Nano Library for Proteus Latest version: Arduino Nano Library for Proteus V4.0 (October 2026), with working LEDs, a RESET button and a built-in serial monitor Earlier versions: V3.0 (2023) · V2.0 (2021) · V1.0 (2015, this tutorial) Other boards: UNO · Mega 2560 · Mega 1280 · Pro Mini · Mini (V4.0) All six V4.0 boards in one package: Arduino Library for Proteus V4.0 Helping Tools Serial Monitor Advance : a serial terminal window for the UART of your board Serial ...