Solid State Electronics

Solid state components are the building blocks of today's electronics. Learn about the technology inside the gadgets and machines that we use every day.

How Semiconductors Work

Semiconductors form the heart of modern electronics. Learn about semiconductors, silicon, doping, diodes and other fascinating technologies. See more »

What does solid-state mean in relation to electronics?

What is solid-state, and what does it mean? How does it relate to electronics? Learn what goes into solid-state electronics. See more »

How Transistors Work

The transistor moved the world from power-hungry vacuum tubes to portable solid-state electronics. Learn about transistors and how they changed electronics. See more »

How Inductors Work

Inductors are little more than coils of wire. Sound simple? Well, inductors are -- but those coils of wire can do some pretty cool things! See more »

How Oscillators Work

Oscillators show up in lots of electronic equipment. Computers, radios, metal detectors and stun guns all use oscillators. See how oscillators work. See more »

How Electronic Gates Work

Would you like to be able to build your own digital devices? Logic gates are the basis of digital electronics. Find out what these gates do and how you can use them to start building your own devices. See more »

How Microcontrollers Work

Most modern electronic devices (TVs, VCRs, microwaves and so on) contain an embedded microcontroller. It's basically a dedicated computer. Find out how these devices work and experiment with one on your own. See more »

How Electric Motors Work

You might be surprised to find out just how much work is done by electric motors. They're everywhere! You'll find them in your car, your kitchen, bathroom, office... Find out how electric motors get stuff moving. See more »

How Relays Work

A relay is simply a mechanical switch that you’ll find in your house and car electronics. See what relay components are doing in all your stuff. See more »