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, 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
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 - Light Sensors
Electromechanical watt-hour meters use an aluminum disk that is spun…
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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
Schottky diodes Schottky diodes are constructed of a metal-to-N…
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
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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Shown here is the schematic symbol for a resistor: What is the purpose…
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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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What is the purpose of a seven-segment decoder circuit? What is a…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Light Sensors
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
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
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
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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It is fairly important to use large value resistors (10 MΩ works…
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What does it mean for an object to have an electric charge? Give an…
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Definition of a Logarithm “log” denotes a…
Textbook
Learn About L/R Time Constants It is often perplexing to new students…
Textbook
RELATED WORKSHEETS: Calculus for Electric Circuits…
Textbook
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Tools
In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
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Don’t just sit there! Build something!! Learning to mathematically…
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A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.
Tools
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
Tools
So far, we’ve explored tubes which are totally…
Textbook
When a switch is actuated and contacts touch one another under the…
Textbook
Capacitors store energy in the form of an electric field, and…
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While the C-B (common-base) amplifier is known for wider bandwidth…
Textbook
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
Voltage Components in a parallel circuit share the same voltage:…
Textbook
Mathematicians use Venn diagrams to show the logical relationships of…
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Decibel as Absolute Unit of Power It is also possible to use the…
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When first approaching a failed or otherwise misbehaving system, the…
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Don’t just sit there! Build something!! Learning to mathematically…
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As was previously mentioned, we need more than just a continuous path…
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In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.
Textbook
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