Learn about Direct Current on your own, with this beginner-level primer on what DC is, and how it works. Fundamentals are covered without diving into the physics. Passive Components are explained. You can learn more of the math and science while discovering Active Components and Digital Devices later in both Teach Me! Direct Current (Intermediate) and Teach Me! Direct Current (Advanced), the next two books in the series. A companion website including experiments, schematics, and other items is pending, which will be free to book owners available in 2021.