This work flowchart is up to programming task.
Currently, we are in the phase of getting the component.
A product design specification (PDS) is a statement of what a not-yet-designed product is intended to do. Its aim is to ensure that the subsequent design and development of a product meets the needs of the user.The PDS acts as an initial boundary in the development of products. However, it will naturally evolve as it is progressed through the different stages of the design process.Wikipedia