1 Tutorial: How to design a transistor circuit that controls low-power devices
A tutorial on using a transistor to switch a load that an Arduino pin cannot drive directly, commonly suggested for relays, motors and LED strips.
Topic
transistors
20 videos. Ranked by independent recommendations, not by views.
2 How Does a Transistor Work?
A short, slightly silly explanation of how transistors work at the semiconductor level, often linked for anyone who has not yet grasped the basics.
3 #114: Tutorial: Common Emitter, Common Collector, and Common Base Transistor amplifiers
A W2AEW video comparing the three basic BJT amplifier configurations, recommended for understanding gain and why common emitter is the usual choice.
4 #185: Back to Basics: Bipolar Transistor bias circuits and Beta dependence
Explains how to bias a transistor stage so the operating point does not depend much on the device's beta, using feedback.
5 MAKE presents: The Transistor
Part of the MAKE Presents component series, suggested to beginners who want an approachable first explanation of what a transistor does.
6 How a transistor works
Ben Eater's explanation of how a bipolar transistor works, repeatedly offered as a very helpful way to grasp the basics.
7 Practical MOSFET Tutorial
A six part MOSFET tutorial series by Julian Ilett, suggested as a gentle introduction to how these transistors switch loads in Arduino and hobby circuits.
8 EEVblog #748 - How Do Transistors Work?
Dave Jones' EEVblog explainer on how bipolar transistors actually work at the junction level, often handed to beginners puzzled by the basic NPN picture.
9 SparkFun According to Pete 3-5-12: Mosfets
Pete from SparkFun gives a relaxed overview of MOSFETs and why they suit switching loads from a microcontroller.
10 Electronic Basics #22: Transistor (BJT) as a Switch
A GreatScott tutorial on using a bipolar transistor as a switch, recommended when a microcontroller pin needs to drive a buzzer, fan or other load.
11 (#0093) World's Simplest Single Transistor Oscillator - BJT with Negative Resistance
Cited to explain how a transistor driven into breakdown shows negative resistance and can be made to blink an LED as a simple oscillator.
12 Fun with Transistors
A beginner transistor circuits video that people often cite as the source of the simple latch, delay and oscillator circuits they are trying to understand.
13 SparkFun According to Pete 7-5-11: Diodes and Transistors
SparkFun's Pete gives a plain overview of how bipolar transistors work and how to use them as switches, paired with his MOSFET episode.
14 Transistors Explained - How transistors work
A transistor explainer that gets recommended as a starting point for how components work, though one questioner found its treatment of BJT saturation stopped at the surface.
15 PNP Transistor Tutorial (with the Raspberry Pi)
Recommended as a basic introduction to switching a load with a PNP transistor, listed alongside guides on LED resistors and optocouplers.
16 How to Drive LEDs - Easy Constant Current Circuit
Shared as a practical explanation of driving LEDs at constant current with a shunt regulator and a transistor instead of a resistor per LED.
17 How to test transistors with ANY multimeter!
Shown as a quick way to check whether a bipolar transistor still works using an ordinary multimeter's resistance range.
18 Razavi Electronics 1, Lec 1, Intro., Charge Carriers, Doping
Entry point to Behzad Razavi's Electronics 1 and 2 lecture series, a university microelectronics course that students recommend as a companion to his textbook.
19 EECE 251 - BJT Design of the Bias Circuit
A clear tutorial on biasing a common emitter BJT amplifier and picking collector and emitter resistors, cited by learners working through bias point and resistor ratio questions.
20 Transistors - Field Effect and Bipolar Transistors: MOSFETS and BJTs
A visual explanation of how BJT and FET transistors operate and differ, linked by a few people as a helpful way to build intuition about them.
