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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.…

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Current Divider Circuits

Worksheets - LED Drivers

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

Rectifier Circuits

Worksheets - LED Drivers

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

Light-Pulse Switch

Worksheets - LED Drivers

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

Design Project: LED Stroboscope

Worksheets - LED Drivers

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

Thyristors

Worksheets - LED Drivers

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

Static Electricity

Worksheets - LED Drivers

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

CMOS 555 Long Duration Blue 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 Minimum Parts Red 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…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

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.

Circuits and the Speed of Light

Textbook

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

LED Sequencer

Textbook

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

Digital Display Circuits

Worksheets - LED Drivers

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

Simple Circuits

Worksheets - LED Drivers

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…

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…

AC Motor Theory

Worksheets - LED Drivers

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

555 Monostable Multivibrator

Textbook

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

Transistors, Hybrid

Textbook

In essence, the IGFET controls the base current of a BJT, which…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Introduction to Complex Numbers

Textbook

If I needed to describe the distance between two cities, I could…

Negative Feedback

Textbook

If we connect the output of an op-amp to its inverting input and apply…

Building Simple Resistor Circuits

Textbook

In the course of learning about electricity, you will want to…

Voltage, Current, and Resistance

Worksheets - LED Drivers

Voltage is commonly defined as “electrical pressure.” The unit of…

Introduction to Combinational Logic Functions

Textbook

The term “combinational” comes to us from mathematics. In…

Series Batteries

Textbook

PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery Actually,…

Properties of Exponents

Textbook

Product of Powers Property am an = am+n   Power of a Product…

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

NOR Gate S-R Latch

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Microstrip Max Current Calculator

Tools

A calculator for solving the maximum current a microstrip can handle.

DC Generator Theory

Worksheets - LED Drivers

Generators used in battery-charging systems must be regulated so as to…

Systems of Numeration

Textbook

Roman Numerals The Romans devised a system that was a substantial…