Get Started with Arduino without any Hardware using the Chapters from my Book: Arduino - A Beginner's Guide to Programming Electronics This download includes chapters 5 thru 7 of my book. Included are four .PDF documents. Each document is a chapter with details about the projects and a link to the circuit in TInkercad Circuits so you can run, simulate and modify the project without the need for any actual hardware. (Tinkercad Circuits is free but you must create an account to use it) This .zip file includes: Chapter 5 - Scroll LEDs Chapter 6 - Sensing a Switch Chapter 7 - Read a Potentiometer