Latest Optical Sensors Education

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AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

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.

Look-up Tables

Textbook

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

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

Permanent Magnets

Textbook

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

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.

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

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.

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.

Voltmeter Impact on Measured Circuit

Textbook

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

Building a Differential Amplifier

Textbook

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

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

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…

Switches, Process Actuated

Textbook

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

Voltage Divider Calculator

Tools

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

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.

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

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.

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Square Root, Cube Root, and Nth Root Calculator

Tools

This calculator will determine the square root, cube root, or nth root of a given number, x.

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Intro Lab - Nonlinear Resistance

Textbook

In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.

Si Lab - Full-wave Bridge Rectifier

Textbook

In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Active Filters

Worksheets - Optical Sensors

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

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Junction Diodes

Textbook

There was some historic crude, but usable were some historic crude,…

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Peak Voltage Calculator

Tools

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Summer and Subtractor OpAmp Circuits

Worksheets - Optical Sensors

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

Light-Pulse Switch

Worksheets - Optical Sensors

It is fairly important to use large value resistors (10 MΩ works…

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…