Categories

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.

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.

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.

Special-purpose Diodes

Textbook

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

Design Project: LED Stroboscope

Worksheets - LEDs

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

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.

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.

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…

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.

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.

Circuits and the Speed of Light

Textbook

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

Thyristor Application Circuits

Worksheets - LEDs

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

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 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.

Static Electricity

Worksheets - LEDs

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

Thyristors

Worksheets - LEDs

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

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.

Rectifier 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.

Series-Parallel DC Circuits

Worksheets - LEDs

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

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.

Switches

Worksheets - LEDs

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

AC Motor Theory

Worksheets - LEDs

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

Design Project: LED Stroboscope

Worksheets - LEDs

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

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…

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.

Current Divider 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…

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.

Transistor Ratings and Packages (IGFET)

Textbook

Class B BJT Amplifiers

Worksheets - LEDs

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

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

Binary Math Circuits

Worksheets - LEDs

Add the following binary numbers:

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Step-up and Step-down Transformers

Textbook

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

Shock Current Path

Textbook

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

Practical Considerations - Transformers

Textbook

Power Capacity As has already been observed, transformers must be well…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Digital Lab - Introduction

Textbook

In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.

Friis Transmission Calculator

Tools

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

Properties of Exponents

Textbook

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

Contributors (12)

Textbook

Contributors to this chapter are listed in chronological order of…

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

Class A BJT Amplifiers

Worksheets - LEDs

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