SparkFun have some pretty good tutorials and resources for learning, e.g. this tutorial which guides you through using KiCad, a tool for designing schematics an

SparkFun have some pretty good tutorials and resources for learning, e.g. this tutorial which guides you through using KiCad, a tool for designing schematics and PCBs: https://learn.sparkfun.com/tutorials/beginners-guide-to-kicad https://learn.sparkfun.com/tutorials/beginners-guide-to-kica....