A chandelier has five light bulbs in it, and one of them is not…
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To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.
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Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
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Note: this is a very unique and useful property of e. As in…
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While Oersted’s surprising discovery of electromagnetism paved…
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This calculator will solve for either distance, time, or speed given two of the three parameters.
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(“c” being a constant) RELATED…
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Of course, there is a danger of electrical shock when directly…
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Instrumentation is a field of study and work centering on measurement…
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The concept and measurement units of resistance are most often used…
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This calculator helps you compute the inductance of a wire loop.
Tools
Notice something important here: taking the derivative of f(x)…
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The smaller the cross-sectional area of any given wire, the greater…
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In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
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What are Simultaneous Equations and Systems of Equations? The terms…
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Older electrical schematics showed connecting wires crossing, while…
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The circuit in the previous section is not a very practical one. In…
Textbook
Though it may seem strange to cover the elementary topic of electrical…
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Over the course of learning about electricity, you will want to…
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This calculator will determine the square root, cube root, or nth root of a given number, x.
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Power Equation of Ohm’s Law and Joule’s Law …
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In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
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In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.
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It is very important to keep in mind that the “normal”…
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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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This is a schematic for a simple VCO: The oscillator is of the RC…
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Don’t just sit there! Build something!! Learning to mathematically…
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A modern alternative to sending (binary) digital information via…
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Try out our Resistor Color Code Calculator in our Tools section.…
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Things start to get complicated when we need to relate two or more AC…
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Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…
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The final transistor amplifier configuration (Figure below) we need to…
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What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…
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In this introduction to parallel resistance circuits, we will explain…
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What would happen to this meter movement, if connected directly to a…
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A calculator for computing the impedance of a wire stripline.
Tools
The Q factor of a series inductive circuit is given by the following…
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The concept of a mathematical power is familiar to most students of…
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A permanent magnet is a device that retains a magnetic field without…
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What is the purpose of the switch shown in this schematic diagram?
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Don’t just sit there! Build something!! Learning to mathematically…
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Varicap or varactor diodes A variable capacitance diode is known as a…
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Complementary Output Gates It is sometimes desirable to have a logic…
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Knowing how to generate Gray code should allow us to build larger…
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Learn the Power Formula We’ve seen the formula for determining…
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An electromechanical generator is a device capable of producing…
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A waveguide is a special form of transmission line consisting of a…
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Don’t just sit there! Build something!! Learning to analyze digital…
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RELATED WORKSHEETS: JFET Amplifiers Worksheet
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In instrumentation circuitry, DC signals are often used as analog…
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Don’t just sit there! Build something!! Learning to analyze digital…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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The R/2R DAC circuit is an alternative to the binary-weighted-input…
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In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.
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This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
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In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
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If your event sensing switch is mechanical in nature, you will likely…
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Another variation on a theme of bistable multivibrators is the J-K…
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