Categories

Optoelectronic Devices

Worksheets - Optical Sensors

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Special-purpose Diodes

Textbook

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

Programmable Logic Controllers (PLC)

Textbook

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

Digital Display Circuits

Worksheets - Optical Sensors

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Digital Display Circuits

Worksheets - Optical Sensors

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Karnaugh Mapping

Worksheets - Optical Sensors

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

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.

Programmable Logic Controllers (PLC)

Textbook

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Optoelectronic Devices

Worksheets - Optical Sensors

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

Convert MCD to Lumens

Tools

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Display Tubes

Textbook

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

Design Project: LED Stroboscope

Worksheets - Optical Sensors

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

LED Sequencer

Textbook

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

Special-purpose Diodes

Textbook

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

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…

Critical Temperatures for Superconductors

Textbook

Critical temperatures given in Kelvins Material Element/Alloy Critical…

High-impedance Voltmeter

Textbook

PARTS AND MATERIALS Operational amplifier, model TL082 recommended…

Component Failure Analysis (Continued)

Textbook

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

The Pentode

Textbook

Another strategy for addressing the problem of secondary electrons…

AC Resistor Circuits (Inductive)

Textbook

Instantaneous Values in AC Circuits Pure resistive AC circuit:…

Time Constant Circuits

Worksheets - Optical Sensors

Generally speaking, how many “time constants” worth of time does…

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Design Project: Sensitive Audio Detector

Worksheets - Optical Sensors

The choice of step-down transformers to use in a project such as this…

Introduction to Boolean Algebra

Textbook

Mathematical rules are based on the defining limits we place on the…

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Inductive Reactance

Worksheets - Optical Sensors

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

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Series R, L, and C

Textbook

Let’s take the following example circuit and analyze it:  …

Numeration Systems

Worksheets - Optical Sensors

Digital computers communicate with external devices through ports:…

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

AC phase

Worksheets - Optical Sensors

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

Simple Series Circuits

Textbook

On this page, we’ll outline the three principles you should…

Introduction to Insulated-gate Field-effect Transistors

Textbook

As was stated in the last chapter, there is more than one type of…

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…