Categories

LED Sequencer

Textbook

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

Design Project: LED Stroboscope

Worksheets - LEDs

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Thyristors

Worksheets - LEDs

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

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.

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

CMOS 555 Long Duration Flyback 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…

Digital Display Circuits

Worksheets - LEDs

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

AC Motor Theory

Worksheets - LEDs

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

Design Project: LED Stroboscope

Worksheets - LEDs

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

CMOS 555 Long Duration Flyback 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…

Simple Circuits

Worksheets - LEDs

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

Digital Display Circuits

Worksheets - LEDs

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

AC phase

Worksheets - LEDs

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

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…

Circuits and the Speed of Light

Textbook

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

Static Electricity

Worksheets - LEDs

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Thyristors

Worksheets - LEDs

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…

Rectifier Circuits

Worksheets - LEDs

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

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.

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

Switches

Worksheets - LEDs

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

Special-purpose Diodes

Textbook

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

Light-Pulse Switch

Worksheets - LEDs

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

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Op-Amp Data

Textbook

Parametric data for all semiconductor op-amp models except the CA3130…

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Capacitor Quirks

Textbook

As with inductors, the ideal capacitor is a purely reactive device,…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Junction field-effect transistors (JFET)

Worksheets - LEDs

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

Introduction to Operational Amplifiers (Op-amps)

Textbook

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

Phase Shift

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two capacitors, 0.1…

Series-Parallel Combination AC Circuits

Worksheets - LEDs

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

Simple Series Circuits

Textbook

On this page, we’ll outline the three principles you should…

Impedance Matching With Transformers

Worksheets - LEDs

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Current Signal Systems

Textbook

Current Source It is possible through the use of electronic amplifiers…

Vol V. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Phase-Locked Loops

Worksheets - LEDs

This is a schematic for a simple VCO: The oscillator is of the RC…

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…