Latest Light Sensors Education

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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.

Current Divider Circuits

Worksheets - Light Sensors

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

Light-Pulse Switch

Worksheets - Light Sensors

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

AC Motor Theory

Worksheets - Light Sensors

Electromechanical watt-hour meters use an aluminum disk that is spun…

Simple Circuits

Worksheets - Light Sensors

Shown here is the schematic symbol for a resistor: What is the purpose…

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

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.

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.

Rectifier Circuits

Worksheets - Light Sensors

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

AC phase

Worksheets - Light Sensors

If we were to express the series-connected DC voltages as phasors…

Design Project: LED Stroboscope

Worksheets - Light Sensors

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

Static Electricity

Worksheets - Light Sensors

What does it mean for an object to have an electric charge? Give an…

Thyristors

Worksheets - Light Sensors

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

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.

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

Series-Parallel DC Circuits

Worksheets - Light Sensors

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

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.

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.

Metric Prefixes and Unit Conversions

Textbook

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

Applications of Resonance

Textbook

So far, the phenomenon of resonance appears to be a useless curiosity,…

Performance-Based Assessments for Analog Integrated Circuit Competencies

Worksheets - Light Sensors

The Common-source Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Simulating JFET Circuits Using LTspice

Textbook

Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Analog Lab - Voltage Comparator

Textbook

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

DIY EE Lab - Introduction to Electronics Projects

Textbook

To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Definite Integrals and the Fundamental Theorem of Calculus

Textbook

        RELATED WORKSHEET: Calculus for Electric…

How to Use Thevenin’s Theorem

Textbook

This page will walk you step-by-step through the process of…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

IC Fabrication and Packaging

Worksheets - Light Sensors

What does it mean if an integrated circuit comes in DIP form? What…

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…