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Static Electricity

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What does it mean for an object to have an electric charge? Give an…

Switches

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What is the purpose of the switch shown in this schematic diagram?

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

Thyristors

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

Rectifier Circuits

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Current Divider Circuits

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

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Series-Parallel DC Circuits

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

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

In this hands-on electronics experiment, you will build and test an automated circuit that sequentially flashes 10 LED. You will learn about counters, frequency dividers, and switch debouncing.

AC Motor Theory

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Electromechanical watt-hour meters use an aluminum disk that is spun…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Light-Pulse Switch

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

Thyristor Application Circuits

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Design Project: LED Stroboscope

Worksheets - Light Sensors

A technician uses a stroboscope to “freeze” the rotation of a…

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

Contributors (15)

Textbook

Contributors to this chapter are listed in chronological order of…

Wire Types and Sizes

Worksheets - Light Sensors

Most electrical wire is covered in a rubber or plastic coating called…

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Printed Circuit Board Layout and Manufacture

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When a PCB designer speaks of dimensions in thous or mils, what does…

Radicals

Textbook

Definition of a Radical Given the expression where “x” is…

IGFET Amplifiers

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

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Network Protocols

Textbook

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

Nonlinear Resistance

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

Potentiometers

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

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

Thyristor Application Circuits

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

The Exclusive-OR Function: The XOR Gate

Textbook

What Is an XOR Gate? One element conspicuously missing from the set of…

Series Circuits and the Application of Ohm’s Law

Textbook

In this introduction to series resistance circuits, we will explain…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a…

Systems of Numeration

Textbook

Roman Numerals The Romans devised a system that was a substantial…

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…