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Demo: Implement complex LED patterns with the LED ring reference design

In partnership with Texas Instruments

Achieve vivid lighting patterns with 29kHz PWM dimming incredible standby Iq savings with the LED…

Demo: Ultra-Small LED Animation Reference Design

In partnership with Texas Instruments

Watch this quick demo video to see the Ultra Small RGB LED Animation Reference Design in action.…

Special-purpose Diodes

Textbook

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

Digital Display Circuits

Worksheets - LED Drivers

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

Thyristors

Worksheets - LED Drivers

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…

Thyristor Application Circuits

Worksheets - LED Drivers

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…

Thyristors

Worksheets - LED Drivers

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

Digital Display Circuits

Worksheets - LED Drivers

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

Design Project: LED Stroboscope

Worksheets - LED Drivers

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

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…

AC phase

Worksheets - LED Drivers

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

AC Motor Theory

Worksheets - LED Drivers

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Circuits and the Speed of Light

Textbook

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

Light-Pulse Switch

Worksheets - LED Drivers

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

Simple Circuits

Worksheets - LED Drivers

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

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.

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Rectifier Circuits

Worksheets - LED Drivers

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.

Series-Parallel DC Circuits

Worksheets - LED Drivers

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

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Tank Circuit Resonance Calculator

Tools

This calculator computes the resonant frequency of a tank circuit

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

Basic Electricity Worksheet

Worksheets - LED Drivers

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

Kirchhoff’s Laws

Worksheets - LED Drivers

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

Factors Affecting Inductance

Textbook

There are four basic factors of inductor construction determining the…

AC Metrology

Worksheets - LED Drivers

In power distribution systems, it is very important to be able to…

Regulated Power Sources

Worksheets - LED Drivers

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

Boolean Algebraic Properties

Textbook

Another type of mathematical identity, called a “property”…

Parallel Batteries

Textbook

PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…

Millman’s Theorem Revisited

Textbook

You may have wondered where we got that strange equation for the…

Inductor-Capacitor “tank” Circuit

Textbook

PARTS AND MATERIALS Oscilloscope Assortment of non-polarized…

Conductance

Textbook

When students first see the parallel resistance equation, the natural…

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

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

Transistor Ratings and Packages (JFET)

Textbook