Categories

Special-purpose Diodes

Textbook

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

Digital Display Circuits

Worksheets - LCDs

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

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.

Convert MCD to Lumens

Tools

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

Digital Lab - 7-segment LED Display

Textbook

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.

Digital Lab - Digital Combination Lock

Textbook

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

Si Lab - Bipolar Transistor as a Switch

Textbook

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.

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.

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 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.

Karnaugh Mapping

Worksheets - LCDs

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

Display Tubes

Textbook

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

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.

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.

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Programmable Logic Controllers (PLC)

Textbook

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

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.

Design Project: LED Stroboscope

Worksheets - LCDs

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

Digital Display Circuits

Worksheets - LCDs

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

Optoelectronic Devices

Worksheets - LCDs

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

Special-purpose Diodes

Textbook

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

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

PN Junctions

Worksheets - LCDs

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

Counters

Worksheets - LCDs

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

Microprocessor Programming

Worksheets - LCDs

What is the difference between a JMP (“jump”) instruction and a…

Analog Lab - PWM Power Controller

Textbook

In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.

What is the Difference Between Series and Parallel Circuits?

Textbook

Circuits consisting of just one battery and one load resistance are…

Design Project: Audio Tone Control

Worksheets - LCDs

Suppose you were installing a high-power stereo system in your car,…

Digital Codes

Worksheets - LCDs

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

Op-amp Circuits

Worksheets - LCDs

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

Digital-to-Analog Conversion

Worksheets - LCDs

If a pulse-width modulated (PWM) signal is sent to a passive…

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Design Project: Logic Probe

Worksheets - LCDs

What factors determine where potentiometers Rpot1 and Rpot2 must be…

Likely Failures in Proven Systems

Textbook

The following problems are arranged in order from most likely to least…

Introduction to Electron Tubes

Textbook

An often neglected area of study in modern electronics is that of…

PC Oscilloscope

Textbook

Project Overview The oscilloscope is an indispensable test instrument…

Ammeter Design

Textbook

Ammeters Measure Electrical Current A meter designed to measure…

The Common-drain Amplifier (IGFET)

Textbook

Programmable Logic Controllers

Worksheets - LCDs

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

Using Multiple Combinational Circuits

Textbook

As an example of using several circuits together, we are going to make…