Categories

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Optoelectronic Devices

Worksheets - LEDs

In this circuit, the electric motor is supposed to turn on whenever…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Digital Display Circuits

Worksheets - LEDs

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

Special-purpose Diodes

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

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.

Optoelectronic Devices

Worksheets - LEDs

In this circuit, the electric motor is supposed to turn on whenever…

Design Project: LED Stroboscope

Worksheets - LEDs

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

LED Sequencer

Textbook

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Convert MCD to Lumens

Tools

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

Simple Combination Lock

Textbook

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

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Special-purpose Diodes

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Karnaugh Mapping

Worksheets - LEDs

Identify each of these logic gates by name, and complete their…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Digital Display Circuits

Worksheets - LEDs

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

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Thyristor Application Circuits

Worksheets - LEDs

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

Digital Communication

Worksheets - LEDs

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

Signal Modulation

Worksheets - LEDs

A modern method of electrical power control involves inserting a…

Programmable Logic Controllers

Worksheets - LEDs

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

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Computer Simulation of Electric Circuits

Textbook

Computers can be powerful tools if used properly, especially in the…

Binary Math

Worksheets - LEDs

Counting practice: count from zero to thirty-one in binary, octal, and…

Voltage Regulator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12…

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

Battery Construction

Textbook

The word battery simply means a group of similar components. In…

Negative Feedback OpAmp Circuits

Worksheets - LEDs

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

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

Metric Prefix Conversions

Textbook

To express a quantity in a different metric prefix from how it was…

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

Design Project: DC Voltage Regulator

Worksheets - LEDs

It may seem difficult to even start on a project such as this, with no…

NAND Gate S-R Enabled Latch

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…