Categories

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.

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…

Special-purpose Diodes

Textbook

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

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…

Rectifier Circuits

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…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

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…

Special-purpose Diodes

Textbook

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

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.

Current Divider 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…

LED Sequencer

Textbook

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

AC phase

Worksheets - LED Drivers

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

Thyristor Application Circuits

Worksheets - LED Drivers

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

Circuits and the Speed of Light

Textbook

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

AC Motor Theory

Worksheets - LED Drivers

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

Series-Parallel DC Circuits

Worksheets - LED Drivers

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

Switches

Worksheets - LED Drivers

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

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.

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Convert MCD to Lumens

Tools

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

Design Project: Event Counter

Worksheets - LED Drivers

If your event sensing switch is mechanical in nature, you will likely…

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

Tachogenerators

Textbook

An electromechanical generator is a device capable of producing…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Δ-Y and Y-Δ Conversions

Textbook

In many circuit applications, we encounter components connected…

Conventional Transistor Overview and Special Transistors

Worksheets - LED Drivers

A microcontroller is a specialized type of digital computer used to…

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…

Servo Motor Systems

Worksheets - LED Drivers

Explain the operation of this “H-bridge” motor control circuit: At…

Design Project: Radio Transmitter

Worksheets - LED Drivers

Research the FCC (Federal Communication Commission) guidelines on…

Nonlinear OpAmp Circuits

Worksheets - LED Drivers

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

Introduction to DC Circuits

Textbook

“DC” stands for Direct Current, which can refer to either…

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

RC Time Constant Calculator

Tools

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

History of SPICE

Textbook

SPICE is a computer program designed to simulate analog electronic…

Other Waveshapes

Textbook

As strange as it may seem, any repeating, non-sinusoidal waveform is…

Multiplexers and Demultiplexers

Worksheets - LED Drivers

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

Programmable Logic Controllers

Worksheets - LED Drivers

The Programmable Logic Controller, or PLC, was invented in the late…

Parallel R, L, and C

Textbook

We can take the same components from the series circuit and rearrange…

Precise Diode Circuits

Worksheets - LED Drivers

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