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.
Textbook
If we were to express the series-connected DC voltages as phasors…
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What does it mean for an object to have an electric charge? Give an…
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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.
Textbook
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Tools
A technician uses a stroboscope to “freeze” the rotation of a…
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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.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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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.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Residential
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.
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.
Textbook
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.
Tools
Electromechanical watt-hour meters use an aluminum disk that is spun…
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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.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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What is the purpose of the switch shown in this schematic diagram?
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Write an equation describing the precise mathematical relationship…
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Our next transistor configuration to study is a bit simpler for gain…
Textbook
Textbook
This tool is designed to convert power ratios to decibel
Tools
As an electric current is passed through a coil of wire, it creates a…
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During the early development of telephone technology, a unit was…
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Counting practice: count from zero to thirty-one in binary, octal, and…
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A calculator for computing the inductance of a coaxial cable.
Tools
As with inductors, the ideal capacitor is a purely reactive device,…
Textbook
Shown here is the schematic symbol for a resistor: What is the purpose…
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In Millman’s Theorem, the circuit is re-drawn as a parallel…
Textbook
So far, we’ve explored tubes which are totally…
Textbook
Thyristors are a broad classification of bipolar-conducting…
Textbook
This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.
Tools
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
Tools
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
Tools
In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
Textbook
Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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A tool designed to calculate the characteristic impedance of a twisted-pair cable
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