My interest in electronics goes back quite a long way. When I was in the 7th grade, my dad helped me build a crystal radio. I remember the fascination of hearing a radio signal with a device that had no batteries at…

Introduction In the first experiment I introduced the breadboard and how to connect components without soldering. In this experiment I will build my first complete working electrical circuit. A circuit is simply a continuous path through which electric current can flow. If the…