Hello friends, I hope you are doing well. This is the twelfth tutorial in our series on how to create a Proteus library. In the previous tutorial, How to Edit and Update an Existing Component in Proteus , we changed our Traffic Light Module after it was in use and brought the design up to version 1.1. The part is complete as a drawing, with pins, properties and a footprint, but when we press Run, Proteus still stops with "No model specified". Today, we look at what is missing. Our topic is Proteus simulation models explained . We will see how to tell which model a part uses, go through the four kinds of model that Proteus supports, read the real property scripts of supplied parts that use each kind, find where the model files live, and separate two things that are easy to mix up: the model ...