Electronics For Dummies Direct

This is your "eyes" in the world of electronics; it lets you see invisible voltage and current.

The amount of work being done (measured in Watts). Meet the Components

One-way streets that allow electricity to flow in only one direction (LEDs are a famous type that light up!). Electronics For Dummies

Don't try to build a robot on day one. Start with a simple circuit that lights up a single LED using a 3-volt battery.

To understand how any electronic gadget works, you have to grasp four fundamental "rules of the road": The "push" or pressure behind the current. Current (I): The actual flow of electricity through a path. This is your "eyes" in the world of

This allows you to build circuits by simply plugging parts in—no messy soldering required until you’re ready.

If you are brand new to the hobby, expert guides like those from Dummies.com and veteran authors like Forrest Mims recommend these steps: Don't try to build a robot on day one

The control or "braking" force that slows down the flow.