Latest Automotive Education

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Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Wheatstone Bridge Calculator

Tools

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Strain Gauges

Textbook

If a strip of conductive metal is stretched, it will become skinnier…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Single-ended and Differential Amplifiers

Textbook

For ease of drawing complex circuit diagrams, electronic amplifiers…

Pressure Unit Conversion Calculator

Tools

This calculator will convert pressure values to ten different standard units for pressure.

AC Lab - Sensing AC Magnetic Fields

Textbook

In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

DC Lab - 4-wire Resistance Measurement

Textbook

In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Textbook

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Si Lab - Differential Amplifier

Textbook

In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.

Si Lab - Light Sensor (LED Photodetector)

Textbook

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.

Regulated Power Sources

Worksheets - Automotive

Don’t just sit there! Build something!! Learning to mathematically…

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

IGFET Amplifiers

Worksheets - Automotive

Don’t just sit there! Build something!! Learning to mathematically…

Inductor Voltage and Current Relationship

Textbook

Inductors do not have a stable “resistance” as conductors…

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Overcurrent Protection

Worksheets - Automotive

What hazards might be posed by a circuit with excessive current going…

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Safety Grounding

Worksheets - Automotive

In simple AC power systems, one of the two conductors is typically…

Voltage Signal Systems

Textbook

The use of variable voltage for instrumentation signals seems a rather…

Latch Circuits

Worksheets - Automotive

What do you think this logic buffer gate will do, with the output…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Optoelectronic Devices

Worksheets - Automotive

In this circuit, the electric motor is supposed to turn on whenever…

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…