Hello friends, I hope you are doing well. This is the eleventh tutorial in our series on how to create a Proteus library. In the previous tutorial, How to Create a PCB Footprint and Package in Proteus , we drew our own footprint, TRAFFICLIGHT-TEP, and linked it to our Traffic Light Module with the Visual Packaging Tool. The part is now complete for schematics and boards. But no library part stays unchanged for long: you find a mistake, a user asks for a feature, or you simply want a better look. Today, we change our part after it is already in use. Our topic is how to edit and update an existing component in Proteus . We will look at the two ways Proteus offers for editing a device, decompose a placed copy of our module, add a TEP label to its drawing, raise its version number from 1.0 to ...