How to Build a Simple DC Motor at Home With Magnets and Wire

How to Build a Simple DC Motor at Home With Magnets and Wire


Building a simple DC motor at home using just magnets and wire is a fun project that allows you to understand the basic principles of how electric motors work. With a few inexpensive materials, I was able to make a working motor in just a few hours. In this article, I will walk you step-by-step through the process I followed to build my own DC motor.

What You Will Need

To build a simple DC motor, you will need the following materials:

How a DC Motor Works

Before I get into the step-by-step building instructions, it helps to understand the basic operating principles of a DC motor:

So in summary, the interaction between the magnetic fields is what converts the electrical energy into mechanical rotational energy. Now let's look at how to build the motor to see these principles in action.

Step 1 - Make the Motor Frame

I started by making the frame to hold the magnets and coil in place. Here are the steps I followed:

Motor Frame

This simple frame will hold the rest of the motor components in alignment.

Step 2 - Make the Rotor

The rotor is the part that will spin inside the motor. To make it:


The magnet will create a magnetic field that interacts with the field from the coil.

Step 3 - Make the Wire Coil

To make the wire coil:


This coil will produce a magnetic field when electric current flows through it.

Step 4 - Assemble the Motor

Now it's time to assemble the motor:


With careful alignment, the rotor should be able to spin freely inside the frame.

Step 5 - Connect Power and Test It Out

The final step is to connect a power source and test out your motor:


And there you have it - your very own homemade DC electric motor! Isn't it amazing to see the interplay between electricity and magnetism?

Customization and Experimentation

Once you have a basic working motor, there are many ways to customize and experiment further:

By playing around with the design, you can really understand the core principles behind electric motors and electromagnetism. Just be safe when working with stronger magnets and higher voltages.

Hope you enjoyed this project! Let me know if you have any other questions. Now go forth and build something!