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CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Design Project: LED Stroboscope

Worksheets - LEDs

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

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

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…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Current Divider Circuits

Worksheets - LEDs

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

Thyristors

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Thyristor Application Circuits

Worksheets - LEDs

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

Series-Parallel DC Circuits

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

Convert MCD to Lumens

Tools

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Switches

Worksheets - LEDs

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

Light-Pulse Switch

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

Simple Circuits

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

Special-purpose Diodes

Textbook

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

Static Electricity

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

AC phase

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If we were to express the series-connected DC voltages as phasors…

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

AC Motor Theory

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

Digital Display Circuits

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What is the purpose of a seven-segment decoder circuit? What is a…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Mutual Inductance

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When an electric current is passed through a coil of wire, what…

PC Oscilloscope

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

Symmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a symmetric stripline.

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Ohm’s Law

Worksheets - LEDs

For a given amount of water pressure, which will flow a greater rate…

Battery Ratings

Textbook

Because batteries create current flow in a circuit by exchanging…

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

555 Timer Astable Circuit

Tools

In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.

Op-Amp Data

Textbook

Parametrical data for all semiconductor op-amp models except the…

AC Resistor Circuits (Inductive)

Textbook

Pure resistive AC circuit: resistor voltage and current are in phase.…

Elementary Circuits

Worksheets - LEDs

In the simplest terms you can think of, define what an electrical…

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Beam Power Tubes

Textbook

In the beam power tube, the basic four-element structure of the…

DC Circuit Equations and Laws

Textbook

Power Equation of Ohm’s Law and Joule’s Law NOTE: the symbol…

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

Decibels Equations

Textbook

AC Negative Feedback OpAmp Circuits

Worksheets - LEDs

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

IGBTs

Textbook

Because of their insulated gates, IGFETs of all types have extremely…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - LEDs