Categories

Digital Display Circuits

Worksheets - Displays

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

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…

Display Tubes

Textbook

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

Display Tubes

Textbook

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

Optoelectronic Devices

Worksheets - Displays

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…

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 - Displays

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

CMOS 555 Long Duration Blue 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…

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…

Digital Display Circuits

Worksheets - Displays

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Design Project: LED Stroboscope

Worksheets - Displays

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…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

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…

Convert MCD to Lumens

Tools

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

Programmable Logic Controllers (PLC)

Textbook

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

Scientific Notation and Metric Prefixes

Worksheets - Displays

Write the following exponential expressions in expanded form: 101 =…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Contributors (2)

Textbook

Contributors to this chapter are listed in chronological order of…

Differential Equations

Textbook

As opposed to normal equations where the solution is a number, a…

Circuit Effects

Textbook

The principle of non-sinusoidal, repeating waveforms being equivalent…

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Polarity of voltage drops

Textbook

When using conventional current flow, we can trace the direction of…

Simple Combination Lock

Textbook

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

Active Versus Passive Devices

Textbook

Passive Devices Components incapable of controlling current by means…

Design Project: Sensitive Audio Detector

Worksheets - Displays

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

Voltage, Current, and Resistance

Worksheets - Displays

Voltage is commonly defined as “electrical pressure.” The unit of…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

Simple Series Circuits

Textbook

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

Quantum Devices

Textbook

Most integrated circuits are digital, based on MOS (CMOS) transistors.…

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Resonant Filters

Textbook

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

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…