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.
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.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
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.
A technician uses a stroboscope to “freeze” the rotation of a…
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.
What is the purpose of a seven-segment decoder circuit? What is a…
Don’t just sit there! Build something!! Learning to mathematically…
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.
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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.
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.
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.
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
What does it mean for an object to have an electric charge? Give an…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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.
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.
Don’t just sit there! Build something!! Learning to mathematically…
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.
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
What is the purpose of a seven-segment decoder circuit? What is a…
If we were to express the series-connected DC voltages as phasors…
Don’t just sit there! Build something!! Learning to mathematically…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Don’t just sit there! Build something!! Learning to mathematically…
Shown here is the schematic symbol for a resistor: What is the purpose…
It is fairly important to use large value resistors (10 MΩ works…
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Contributors to this chapter are listed in chronological order of…
We’ve already seen one example of a monostable multivibrator in…
In any electrically conductive substance, what are charge carriers?…
In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.
Decibel as Absolute Unit of Power It is also possible to use the…
So far, the filter designs we’ve concentrated on have employed…
Don’t just sit there! Build something!! Learning to mathematically…
Let’s begin with a semiconductor gate circuit in need of…
Larger Karnaugh maps reduce larger logic designs. How large is large…
So far, we’ve observed simulations of transformers where the…
Notice something important here: taking the derivative of f(x)…
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The benefits of scientific notation do not end with ease of writing…
In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.
Early in my explorations of electricity, I came across a length of…
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
“I consider that I understand an equation when I can predict the…
