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, 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
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
A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
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Up until this point, our analysis of transistor logic circuits has…
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The table method provides a structured methodology for ensuring you…
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Worksheets - IC Design
This calculator will determine the instantaneous energy, sustained energy, and power consumed by an electrical system given two of the three electrical parameters (voltage, current, or resistance) and the time.
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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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The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.
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Up to now, every circuit that was presented was a combinatorial…
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An unbalanced Wheatstone bridge cannot be solved using simple series…
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The Q, or quality, factor of a resonant circuit is a measure of the…
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This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.
Tools
Also called the parallel A/D converter, this circuit is the simplest…
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A Logic Gate is assigned as an elementary building block of…
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In this series of hands-on electronics experiments, build analog circuits, including amplifiers, comparators, oscillators, and more. Following the step-by-step instructions will help you understand and appreciate analog systems.
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The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
Tools
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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Previously, we examined series circuits and parallel circuits using…
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Whenever there is a mismatch of impedance between transmission line…
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This page will walk you step-by-step through the process of…
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In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
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A tool designed to calculate the power density of an antenna
Tools
The Q, or quality, factor of a resonant circuit is a measure of the…
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If we examine a four-bit binary count sequence from 0000 to 1111, a…
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Testing a JFET with a multimeter might seem to be a relatively easy…
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Wiring for AC and DC power distribution branch circuits are color…
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An ideal transistor would show 0% distortion in amplifying a signal.…
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Varicap or varactor diodes A variable capacitance diode is known as a…
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In any electrically conductive substance, what are charge carriers?…
Worksheets - IC Design
It is sometimes useful in logic circuits to have a multivibrator which…
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∫f(x) dx Calculus alert! Electronic power conversion circuits known…
Worksheets - IC Design
In the chapter on mixed-frequency signals, we explored the concept of…
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In instrumentation circuitry, DC signals are often used as analog…
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What, exactly, is an arbitrary waveform generator, and for what…
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What is Rectification? Now we come to the most popular application of…
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Don’t just sit there! Build something!! Learning to mathematically…
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The interlock contacts installed in the previous section’s motor…
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A bistable multivibrator has two stable states, as indicated by the…
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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
It is sometimes said regarding electrical safety that, Ït’s not the…
Worksheets - IC Design
In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.
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In the beam power tube, the basic four-element structure of the…
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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.
Tools
This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.
Tools
Larger Karnaugh maps reduce larger logic designs. How large is large…
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Define the following terms: energy, work, and power.
Worksheets - IC Design
The Rules of Binary Addition Adding binary numbers is a very simple…
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All About Contactors When a relay is used to switch a large amount of…
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Contributors to this chapter are listed in chronological order of…
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This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
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A circuit which removes the peak of a waveform is known as a clipper.…
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A modern method of electrical power control involves inserting a…
Worksheets - IC Design
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
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What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
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This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
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How to Create a Band-stop Filter? Also called band-elimination,…
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If your event sensing switch is mechanical in nature, you will likely…
Worksheets - IC Design
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