Watch the Video
Video Coming Soon!
We're filming this lesson right now
What is it?
The most important invention of the 20th century. It's a switch and an amplifier in one tiny package — and your phone has billions of them. A small signal controls a much larger one.
The Simple Analogy
“A tap you control electrically, not by hand. Small current in → large current controlled.”
All Concepts
What is Electricity?What is Voltage?What is Current?What is Resistance?What is a Resistor?What is a Diode?What is an LED?What is a Capacitor?What is a Transistor?What is a Microcontroller?What is an Electron?What is a Conductor?What is an Insulator?What is Electrical Isolation?What is Power?What is a Battery?What is Ground?What is a Switch?What is a Circuit?What is Transconductance?What is Frequency?What is a Signal?