Hello friends! In this tutorial, we will install the Arduino Library for Proteus and use it to simulate a small Arduino circuit. This package brings several classic Arduino board components together, so you can choose a board that matches your project without installing each original library separately. We will begin with the included boards, then install the library and prepare a compiled program. Our first example uses an Arduino UNO and an LED. After that, we will discuss how to move the same source code to another board without overlooking processor, clock or pin differences. The original download, screenshots and demonstration video remain attached. This is the V1.0 tutorial; newer versions are linked below. The goal is to understand the complete workflow, including what a board libra ...