Electrical Engineering
These tutorials help form some of the fundamentals you would learn in an Electrical Engineering course of study.
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Voltage, Current, Resistance, and Ohm's Law
February 6, 2013
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
Introduction to Operational Amplifiers with LTSpice
April 18, 2017
Picking up where we left off in "Getting Started with LTSpice," we delve a little deeper into LTSpice through an introduction of Operational Amplifiers (OpAmps).
Switch Basics
May 7, 2013
A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.
What is Electricity?
June 13, 2013
We can see electricity in action on our computers, lighting our houses, as lightning strikes in thunderstorms, but what is it? This is not an easy question, but this tutorial will shed some light on it!
SparkPunk Sequencer Hookup Guide
August 14, 2014
How to assemble and use the SparkPunk Sequencer kit.
SparkPunk Sequencer Theory and Applications Guide
August 14, 2014
Examine the inner workings of the SparkPunk Sequencer, then explore some modifications and alternate applications.
Capacitors
June 19, 2013
Learn about all things capacitors. How they're made. How they work. How they look. Types of capacitors. Series/parallel capacitors. Capacitor applications.
Measuring Internal Resistance of Batteries
May 5, 2016
Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.
How to Power a Project
February 7, 2013
A tutorial to help figure out the power requirements of your project.
Battery Technologies
February 6, 2013
The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.
Current Sensor Breakout (ACS723) Hookup Guide
June 21, 2018
Learn how to measure the current consumption of your project using the ACS723 Current Sensor.
Light-Emitting Diodes (LEDs)
August 12, 2013
Learn the basics about LEDs as well as some more advanced topics to help you calculate requirements for projects containing many LEDs.
Resistors
April 1, 2013
A tutorial on all things resistors. What is a resistor, how do they behave in parallel/series, decoding the resistor color codes, and resistor applications.
Boss Alarm
March 30, 2016
Build a Boss Alarm that alerts you of anyone walking into your office and automatically changes your computer screen.
How to Use an Oscilloscope
February 25, 2014
How to work the dials and buttons on an oscilloscope, and a glossary of the o-scope lexicon.
How to Use a Multimeter
January 9, 2015
Learn the basics of using a multimeter to measure continuity, voltage, resistance and current.
Transistors
July 1, 2014
A crash course in bi-polar junction transistors. Learn how transistors work and in which circuits we use them.
Alternating Current (AC) vs. Direct Current (DC)
September 5, 2013
The differences between AC and DC.
Analog vs. Digital
July 18, 2013
This tutorial covers the concept of analog and digital signals, as they relate to electronics.
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Old Tutorials
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Please be aware that the tutorials you find there are no longer
actively maintained.