Latest Harsh Environment Education

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Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Conductors, Insulators, and Electron Flow

Textbook

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

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

Electrical Isolation

Textbook

SPICE analysis of Electrical Isolation Aside from the ability to…

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Rules for Antiderivatives

Textbook

Constant Rule     Rule of Sums     Rule of…

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

What are Simultaneous Equations and Systems of Equations? The terms…

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Non-right Triangle Trigonometry

Textbook

The Law of Sines (for any triangle) The Law of Cosines (for any…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

AC Lab - Automotive Alternator as AC Generator

Textbook

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

TTL Logic Gates

Worksheets - Harsh Environment

Counting practice: count from zero to thirty-one in binary, octal, and…

CMOS Gate Circuitry

Textbook

Up until this point, our analysis of transistor logic circuits has…

Active-mode Operation (IGFET)

Textbook

Edge Coupled Trace Inductance Calculator

Tools

This calculator helps you compute for the inductance of an edge coupled trace.

Modern Nonmechanical Memory

Textbook

Now we can proceed to studying specific types of digital storage…

R, L and C Summary

Textbook

With the notable exception of calculations for power (P), all AC…

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Four-Channel Audio Mixer

Worksheets - Harsh Environment

A very common misconception students have about potentiometers is the…

Bipolar Transistor Biasing Circuits

Worksheets - Harsh Environment

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

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Factoring Equivalencies

Textbook

Factoring Identities :   a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…

Digital Communication

Worksheets - Harsh Environment

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

T-Pad Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

Op-amp Circuits

Worksheets - Harsh Environment

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

Design Project: AC-DC Power Supply

Worksheets - Harsh Environment

Safety is very important when designing and/or building a device…

Ideal Diode Current and Voltage Calculator

Tools

This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…