Latest Optical Sensors Education

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DC Lab - Sensitive Voltage Detector With Audio Output

Textbook

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

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.

Single-ended and Differential Amplifiers

Textbook

For ease of drawing complex circuit diagrams, electronic amplifiers…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Si Lab - Differential Amplifier

Textbook

In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Pressure Unit Conversion Calculator

Tools

This calculator will convert pressure values to ten different standard units for pressure.

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

DC Lab - Thermoelectricity

Textbook

In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

AC Lab - Sensing AC Magnetic Fields

Textbook

In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Textbook

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.

DC Lab - 4-wire Resistance Measurement

Textbook

In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Wheatstone Bridge Calculator

Tools

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Switched Capacitor Circuitry

Worksheets - Optical Sensors

Write an equation describing the precise mathematical relationship…

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

Trigonometry for AC Circuits

Worksheets - Optical Sensors

Identify which trigonometric functions (sine, cosine, or tangent) are…

Factors Affecting Inductance

Textbook

There are four basic factors of inductor construction determining the…

Karnaugh Mapping

Worksheets - Optical Sensors

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

Contributors (2)

Textbook

Contributors to this chapter are listed in chronological order of…

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Series DC Circuits Practice Worksheet with Answers

Worksheets - Optical Sensors

In this circuit, three resistors receive the same amount of current (4…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

Scientific Notation and Metric Prefixes

Worksheets - Optical Sensors

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

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Optical Sensors

When lightning strikes, nearby magnetic compass needles may be seen to…

Introduction to Digital Communication

Textbook

In the design of large and complex digital systems, it is often…

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

Temperature Coefficient of Resistance

Worksheets - Optical Sensors

It is a common phenomenon for the electrical resistance of a substance…

Energy, Work, and Power

Worksheets - Optical Sensors

Define the following terms: energy, work, and power.

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Lock-out / Tag-out

Worksheets - Optical Sensors

In this motor control circuit, how would you ensure that there is no…

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…

Meter Check of a Diode

Textbook

The Functionality of Diode Polarity Being able to determine the…