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Switches

Worksheets - Residential

What is the purpose of the switch shown in this schematic diagram?

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Series-Parallel DC Circuits

Worksheets - Residential

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

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

Design Project: LED Stroboscope

Worksheets - Residential

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

Light-Pulse Switch

Worksheets - Residential

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Thyristors

Worksheets - Residential

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

Circuits and the Speed of Light

Textbook

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

Current Divider Circuits

Worksheets - Residential

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

Static Electricity

Worksheets - Residential

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…

Special-purpose Diodes

Textbook

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

Thyristor Application Circuits

Worksheets - Residential

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Convert MCD to Lumens

Tools

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

Simple Circuits

Worksheets - Residential

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

Digital Display Circuits

Worksheets - Residential

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

AC phase

Worksheets - Residential

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Thevenin’s Theorem

Textbook

Thevenin’s Theorem states that it is possible to simplify any…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Multiple-input Gates

Textbook

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Inductor Sizing Equation

Textbook

The Inductance Formula Wheeler’s formulas for inductance of air core…

Ammeter Design

Worksheets - Residential

What would happen to this meter movement, if connected directly to a…

Nonlinear OpAmp Circuits

Worksheets - Residential

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

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Potato Battery

Textbook

PARTS AND MATERIALS One large potato One lemon (optional) Strip of…

Electrical Conduction in Semiconductors

Worksheets - Residential

In any electrically conductive substance, what are charge carriers?…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of…

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

Digital Communication

Worksheets - Residential

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

Sources of Electricity

Worksheets - Residential

What is the difference between DC and AC electricity? Identify some…