Electromechanical watt-hour meters use an aluminum disk that is spun…
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In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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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.
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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.
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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.
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It is fairly important to use large value resistors (10 MΩ works…
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What is the purpose of the switch shown in this schematic diagram?
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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.
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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.
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Don’t just sit there! Build something!! Learning to mathematically…
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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.
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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.
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Don’t just sit there! Build something!! Learning to mathematically…
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A technician uses a stroboscope to “freeze” the rotation of a…
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Don’t just sit there! Build something!! Learning to mathematically…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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Don’t just sit there! Build something!! Learning to mathematically…
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If we were to express the series-connected DC voltages as phasors…
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What is the purpose of a seven-segment decoder circuit? What is a…
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Constant rule Rule of sums Rule of differences Product rule Quotient…
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A switch is an electrical component that can “make” or…
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How is it possible to electrically measure the torque output by a…
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Stepper Motor vs Servo Motor A stepper motor is a…
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Suppose we wanted to build a device that could add two binary bits…
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Unijunction transistor: Although a unijunction transistor is not a…
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In instrumentation circuitry, DC signals are often used as analog…
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The half-adder is extremely useful until you want to add more than one…
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It is sometimes useful in logic circuits to have a multivibrator which…
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Definition of a Factorial Denoted by the symbol “!” after…
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This calculator helps you compute the characteristic impedance of an asymmetric stripline
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Larger Karnaugh maps reduce larger logic designs. How large is large…
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This calculator will solve for either distance, time, or speed given two of the three parameters.
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In this hands-on AC electronics experiment, you will sense AC electric fields using the sensitive voltage detector and learn about capacitive coupling, EMI, and shielding techniques.
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
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What is a Synchronous Counter? A synchronous counter, in contrast to…
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“I consider that I understand an equation when I can predict the…
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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
A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line
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