Hello friends! In this tutorial, we will install the Arduino Pro Mini Library for Proteus and build a simple blinking-LED simulation. We will start with the library files, prepare a program for the correct board variant and then load its HEX file into the simulated microcontroller. Updates Arduino Pro Mini Library for Proteus Latest version: Arduino Pro Mini Library for Proteus V4.0 (October 2026), with working PWR and 13 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 · Nano · 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 Monitor Expert : the ...