Latest PLCs Education

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Programmable Logic Controllers (PLC)

Textbook

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

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

DC Lab - Thermoelectricity

Textbook

In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.

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.

Kirchhoff’s Laws

Worksheets - PLCs

Many electronic circuits use what is called a split or a dual power…

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.

Network Protocols

Textbook

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

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.

Electrical Isolation

Textbook

SPICE analysis of Electrical Isolation Aside from the ability to…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Pressure Unit Conversion Calculator

Tools

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

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

AC Lab - Large Induction Motor

Textbook

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

AC Lab - Induction Motor

Textbook

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

AC Instrumentation Transducers

Textbook

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

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Instrumentation Amplifier Gain Calculator

Tools

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

Bipolar Junction Transistors as Switches

Worksheets - PLCs

Solid-state switching circuits usually keep their constituent…

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

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.

Design Project: Sensitive Audio Detector

Worksheets - PLCs

The choice of step-down transformers to use in a project such as this…

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - PLCs

In this circuit, three resistors receive the same amount of voltage…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Electrons and “holes’’

Textbook

Pure semiconductors are relatively good insulators as compared with…

Series DC Circuits Practice Worksheet with Answers

Worksheets - PLCs

In this circuit, three resistors receive the same amount of current (4…

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Basic Troubleshooting Strategies

Worksheets - PLCs

A chandelier has five light bulbs in it, and one of them is not…

Digital Lab - 7-segment LED Display

Textbook

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - PLCs

What shape of voltage waveform would you expect to measure (using an…

Digital Communication

Worksheets - PLCs

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

DIY EE Lab - Setting Up a Home Electronics Lab

Textbook

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.

Asynchronous Counters

Textbook

In the previous section, we saw a circuit using one J-K flip-flop that…

Bipolar Junction Transistor (BJT) theory

Worksheets - PLCs

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

Boolean Algebra

Worksheets - PLCs

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

Maximum Power Transfer Theorem

Textbook

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

Resistors

Worksheets - PLCs

Shown here is the schematic symbol for a resistor: What is the purpose…

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

Basic Algebra and Graphing for Electric Circuits

Worksheets - PLCs

Many different equations used in the analysis of electric circuits may…

Passive Integrator and Differentiator Circuits

Worksheets - PLCs

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…