I chose KiCad. I learned: how to open KiCad how to create a new project how to save projects, and save them to any disk the three main applications inside the KiCad suite KiCad Project This is where any project is created, opened, and managed. The file extension is .kicad_pro KiCad Schematic Editor This is where circuit schematics are designed. The file extension is .kicad_sch KiCad PCB Editor This is where the physical PCB layout is designed. The file extension is .kicad_pcb Study time: 1pm-4pm (3h)