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CMOS 555 Long Duration Flyback 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…

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…

LED Sequencer

Textbook

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Special-purpose Diodes

Textbook

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

Static Electricity

Worksheets - LEDs

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

Thyristors

Worksheets - LEDs

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

AC phase

Worksheets - LEDs

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

Light-Pulse Switch

Worksheets - LEDs

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

Convert MCD to Lumens

Tools

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

Design Project: LED Stroboscope

Worksheets - LEDs

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

Rectifier Circuits

Worksheets - LEDs

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

Current Divider Circuits

Worksheets - LEDs

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

Simple Circuits

Worksheets - LEDs

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

AC Motor Theory

Worksheets - LEDs

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

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.

Thyristor Application Circuits

Worksheets - LEDs

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

LED Sequencer

Textbook

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

Digital Display Circuits

Worksheets - LEDs

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

CMOS 555 Long Duration 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?

CMOS 555 Long Duration Blue 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…

Likely Failures in Proven Systems

Textbook

The following problems are arranged in order from most likely to least…

Wattmeter Design

Textbook

Power in an electric circuit is the product (multiplication) of…

Power Dissipation

Textbook

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

Single-ended and Differential Amplifiers

Textbook

For ease of drawing complex circuit diagrams, electronic amplifiers…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - LEDs

As an electric current is passed through a coil of wire, it creates a…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…

Series-Parallel DC Circuits

Worksheets - LEDs

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

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

Simple Op-Amp

Textbook

PARTS AND MATERIALS Two 6-volt batteries Four NPN…

555 Monostable Multivibrator

Textbook

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

Battery Ratings

Textbook

Because batteries create current flow in a circuit by exchanging…

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

Timer Circuits

Worksheets - LEDs

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

Permissive and Interlock Circuits

Textbook

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

Build a Transformer

Textbook

PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…

The “Buffer” Gate

Textbook

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

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…