Special-purpose Diodes

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

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Textbook

Digital Display Circuits

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

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Worksheets - LCDs

555 Lab - LED Flasher with Inductive Flyback

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.

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Textbook

Special-purpose Diodes

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

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Textbook

Series LED Resistor Calculator

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.

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Tools

Digital Lab - Digital Combination Lock

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.

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Textbook

Digital Display Circuits

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

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Worksheets - LCDs

555 Lab - Red LED Flasher

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.

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Textbook

555 Lab - Blue LED Flasher With Voltage Doubler

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.

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Textbook

Digital Lab - 7-segment LED Display

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.

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Textbook

Display Tubes

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

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Textbook

Si Lab - Bipolar Transistor as a Switch

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

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Textbook

Karnaugh Mapping

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

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Worksheets - LCDs

Si Lab - Light Sensor (LED Photodetector)

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.

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Textbook

Digital Lab - 10-bit Flashing LED Sequencer

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.

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Textbook

Design Project: LED Stroboscope

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

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Worksheets - LCDs

Convert MCD to Lumens

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

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Tools

Optoelectronic Devices

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

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Worksheets - LCDs

Programmable Logic Controllers (PLC)

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

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Textbook

555 Lab - Advanced Red LED Flasher

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.

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Textbook

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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Textbook

Si Lab - Full-wave Bridge Rectifier With Output Filtering

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.

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Textbook

Series and Parallel Capacitors

When capacitors are connected in series, the total capacitance is…

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Textbook

Coax Inductance Calculator

A calculator for computing the inductance of a coaxial cable.

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Tools

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…

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Textbook

Circuit Simplification Examples

Let’s begin with a semiconductor gate circuit in need of…

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Textbook

Soldering

Both soldering irons and soldering guns are tools used in the process…

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Worksheets - LCDs

Overcurrent Protection

What hazards might be posed by a circuit with excessive current going…

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Worksheets - LCDs

Design Project: Sensitive Microphone Amplifier

Identify which direction each potentiometer wiper must move in this…

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Worksheets - LCDs

Digital-to-Analog Conversion

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

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Worksheets - LCDs

Resistor Color Codes

Try out our Resistor Color Code Calculator in our Tools section.…

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Textbook

Special-purpose Batteries

Mercury Standard Cell Back in the early days of electrical measurement…

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Textbook

Contributors (2)

Contributors to this chapter are listed in chronological order of…

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Textbook

Parallel Resistor-Capacitor Circuits

Using the same value components in our series example circuit, we will…

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Textbook

Ammeter Design

Ammeters Measure Electrical Current A meter designed to measure…

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Textbook

Digital Display Circuits

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

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Worksheets - LCDs

Sum-of-Products and Product-of-Sums Expressions

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

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Worksheets - LCDs

Voltage Divider Calculator

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

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Tools

Time Constant Calculations

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

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Worksheets - LCDs

DC Metrology

Define the following metrological terms: • Uncertainty • Accuracy…

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Worksheets - LCDs

LC Tank Circuit Resonance Calculator

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.

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Tools