Awesome Tim Hunkin

If you know anything about electronics, you know there are tons of different types of switches. Engineer and inventor Tim Hunkin delves into some of the many kinds of switches, how they work to complete circuits, and how to choose the right type for your projects.

Engineer and inventor Tim Hunkin is back with the second episode of his in-depth series celebrating the components used to build things. This time he turns his attention to light-emitting diodes, the now ubiquitous source of illumination that can be found in everything from televisions to cars to flashlights.