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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.…

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…

Special-purpose Diodes

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Static Electricity

Worksheets - LED Drivers

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

AC Motor Theory

Worksheets - LED Drivers

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

Current Divider Circuits

Worksheets - LED Drivers

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

Simple Circuits

Worksheets - LED Drivers

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

LED Sequencer

Textbook

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

Special-purpose Diodes

Textbook

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

Circuits and the Speed of Light

Textbook

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Series-Parallel DC 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.

CMOS 555 Long Duration Flyback 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 Blue LED Flasher

Textbook

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

AC phase

Worksheets - LED Drivers

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

Digital Display Circuits

Worksheets - LED Drivers

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…

Light-Pulse Switch

Worksheets - LED Drivers

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

Rectifier Circuits

Worksheets - LED Drivers

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

Thyristors

Worksheets - LED Drivers

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

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

555 Schmitt Trigger

Textbook

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

Phase-locked Loops

Textbook

Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Design Project: Audio Power Amplifier

Worksheets - LED Drivers

Explain how the microphone in your amplifier works. How, exactly, does…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…

Rectangle Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a rectangle loop.

The Thyristor

Textbook

A thyristor is a device that has a number of unusual characteristics.…

The Common-source Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Control Circuits

Textbook

CMOS Gate Circuitry

Textbook

Up until this point, our analysis of transistor logic circuits has…

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

Rate-of-change Indicator

Textbook

PARTS AND MATERIALS Two 6 volt batteries Capacitor, 0.1 µF…

Example Circuits and Netlists

Textbook

The following circuits are pre-tested netlists for SPICE 2g6, complete…

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Factors Affecting Inductance

Textbook

There are four basic factors of inductor construction determining the…

Active-mode Operation (IGFET)

Textbook

DC Branch Current Analysis

Worksheets - LED Drivers

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