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
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
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
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
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
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - LEDs
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
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - LEDs
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
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
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
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
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 is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
What does it mean for an object to have an electric charge? Give an…
Worksheets - LEDs
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
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…
Worksheets - LEDs
Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - LEDs
Schottky diodes Schottky diodes are constructed of a metal-to-N…
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
Shown here is the schematic symbol for a resistor: What is the purpose…
Worksheets - LEDs
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
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
What is the purpose of the switch shown in this schematic diagram?
Worksheets - LEDs
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - LEDs
If we were to express the series-connected DC voltages as phasors…
Worksheets - LEDs
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
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
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - LEDs
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
Tools
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Textbook
In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
Textbook
A tool designed to calculate the guided wavelength inside a microstrip.
Tools
Another type of mathematical identity, called a “property”…
Textbook
Up to now, every circuit that was presented was a combinatorial…
Textbook
There are many different types of power sources, and here some of the…
Textbook
This calculator helps you compute the inductance of a rectangle loop.
Tools
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - LEDs
Early in my explorations of electricity, I came across a length of…
Textbook
In this hands-on semiconductor electronics experiment, build a simple DC voltage regulator circuit and learn how to use reverse-biased Zener diodes as voltage clamps.
Textbook
Single phase power system schematic diagram shows little about the…
Textbook
If I needed to describe the distance between two cities, I could…
Textbook
During the early development of telephone technology, a unit was…
Worksheets - LEDs
For reference, this section introduces the terminology used in some…
Textbook
Voltage Components in a parallel circuit share the same voltage:…
Textbook
A bistable multivibrator has two stable states, as indicated by the…
Textbook
Now that we’ve seen how series and parallel AC circuit analysis…
Textbook
There are not too many circuit symbols for bipolar transistors. There…
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
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