Categories

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

TTL Logic Gates

Worksheets - Relays

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

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

CMOS Logic Gates

Worksheets - Relays

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

Time-Delay Electromechanical Relays

Worksheets - Relays

What does the normal status of an electrical switch refer to?…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Protective Relay Circuits

Worksheets - Relays

Protective relays are special power-sensing devices whose job it is to…

Flip-Flop Circuits

Worksheets - Relays

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

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

TTL Logic Gates

Worksheets - Relays

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

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Time-Delay Electromechanical Relays

Worksheets - Relays

What does the normal status of an electrical switch refer to?…

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Insulated Gate Bipolar Transistors

Worksheets - Relays

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Light-Pulse Switch

Worksheets - Relays

It is fairly important to use large value resistors (10 MΩ works…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

The S-R Latch

Textbook

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

Inductive Reactance

Worksheets - Relays

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

Permissive and Interlock Circuits

Textbook

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

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Arc Flash and Arc Blast

Worksheets - Relays

Electromechanical relays used to start and stop high-power electric…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Sources of Electricity

Worksheets - Relays

What is the difference between DC and AC electricity? Identify some…

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Voltage, Current, and Resistance

Worksheets - Relays

Voltage is commonly defined as “electrical pressure.” The unit of…

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

Simple AC Circuit Calculations

Textbook

Over the course of the next few chapters, you will learn that AC…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Network Topology

Textbook

If we want to connect two digital devices with a network, we would…

From Electric to Electronic

Textbook

Introduction This third volume of the book series Lessons In Electric…

Metric Prefixes and Unit Conversions

Textbook

Metric prefixes Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z Exa =…

Class A BJT Amplifiers

Worksheets - Relays

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

Special-output Gates

Textbook

It is sometimes desirable to have a logic gate that provides both…

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Full-wave Bridge Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6 volt output) Four…

Basic identities

Textbook

Note: while division by zero is popularly thought to be equal to…

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

AC Instrumentation Transducers

Textbook

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

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

Guidelines to Series-Parallel Combination Circuit Analysis The goal of…

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…