It is fairly important to use large value resistors (10 MΩ works…
Worksheets - Adaptive Lighting
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
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
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Adaptive Lighting
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
What is the purpose of the switch shown in this schematic diagram?
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Electromechanical watt-hour meters use an aluminum disk that is spun…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
If we were to express the series-connected DC voltages as phasors…
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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
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
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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Shown here is the schematic symbol for a resistor: What is the purpose…
Worksheets - Adaptive Lighting
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
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
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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Don’t just sit there! Build something!! Learning to mathematically…
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Voltage is commonly defined as “electrical pressure.” The unit of…
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One of the more advanced ADC technologies is the so-called…
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When inductors are connected in series, the total inductance is the…
Textbook
In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
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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
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
Current Source It is possible through the use of electronic amplifiers…
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This calculator helps you compute the inductance of a wire loop.
Tools
Charles Proteus Steinmetz’s first job after arriving in America…
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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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As the name suggests, the tetrode tube contains four elements: cathode…
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AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…
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Additive Identity a + 0 = a Multiplicative Identity 1a = a…
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A calculator designed to calculate the trace width of a stripline based on the maximum current rating
Tools
The node voltage method of DC network analysis solves for unknown…
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Identify which trigonometric functions (sine, cosine, or tangent) are…
Worksheets - Adaptive Lighting
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Try out our Resistor Color Code Calculator in our Tools section.…
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Standing waves at the resonant frequency points of an open- or…
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