Digital electronics is an area of student learning that benefits substantially from ‘hands-on’ experience. Simply simulating circuits at a high level will not instill a full understanding of the pitfalls involved in circuit building, testing and design in the real world. Consequently most electronics related curriculums will include practical lab-work to supplement any other activities to be delivered as part of a course module. At many UK universities the use of ‘bread-boards’ is common. These are rapid circuit construction boards, which allow circuits based upon chips to be wired and tested. However, it is less practical for students to undertake such work unsupervised (due to health and safety legislation), and also often not practical for them to undertake this work at home. Consequently, a Digital Bread Board simulator to supplement such teaching styles is a valuable teaching aid. This paper describes the Bread- Board Simulator developed at the University of York over a number of years, and a new project to release the tool-set as an Open-Source Learning Platform.