Categories

555 Lab - Blue LED Flasher With Voltage Doubler

Textbook

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.

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.

Special-purpose Diodes

Textbook

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

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.

Design Project: LED Stroboscope

Worksheets - LEDs

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

555 Lab - LED Flasher with Inductive Flyback

Textbook

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

Digital Display Circuits

Worksheets - LEDs

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

Thyristors

Worksheets - LEDs

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

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.

555 Lab - Red LED Flasher

Textbook

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.

555 Lab - Advanced Red LED Flasher

Textbook

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.

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.

Series-Parallel DC Circuits

Worksheets - LEDs

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

Thyristor Application Circuits

Worksheets - LEDs

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

Static Electricity

Worksheets - LEDs

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

AC Motor Theory

Worksheets - LEDs

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

Circuits and the Speed of Light

Textbook

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

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.

Current Divider Circuits

Worksheets - LEDs

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

Si Lab - Light Sensor (LED Photodetector)

Textbook

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.

Convert MCD to Lumens

Tools

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

555 Lab - Red LED Flasher

Textbook

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.

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…

Thyristors

Worksheets - LEDs

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…

Rectifier 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…

Light-Pulse Switch

Worksheets - LEDs

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

Antenna Downtilt and Coverage Calculator

Tools

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Electrical Conduction in Semiconductors

Worksheets - LEDs

In any electrically conductive substance, what are charge carriers?…

AC Lab - Signal and Noise Coupling

Textbook

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Time Constant Calculations

Worksheets - LEDs

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

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

Biasing Techniques (IGFET)

Textbook

Larger 5 & 6-variable Karnaugh Maps

Textbook

Larger Karnaugh maps reduce larger logic designs. How large is large…

Step-up and Step-down Transformers

Textbook

So far, we’ve observed simulations of transformers where the…

The Antiderivative (Indefinite Integral)

Textbook

  Notice something important here: taking the derivative of f(x)…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - LEDs

(Template)

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

DC Lab - Thermoelectricity

Textbook

In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - LEDs

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…