A technician uses a stroboscope to “freeze” the rotation of a…
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Schottky diodes Schottky diodes are constructed of a metal-to-N…
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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
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
What is the purpose of the switch shown in this schematic diagram?
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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
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
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.
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Don’t just sit there! Build something!! Learning to mathematically…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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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.
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Don’t just sit there! Build something!! Learning to mathematically…
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It is fairly important to use large value resistors (10 MΩ works…
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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
Shown here is the schematic symbol for a resistor: What is the purpose…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
What does it mean for an object to have an electric charge? Give an…
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Convert between Celsius, Fahrenheit and Kelvin
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
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A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…
Textbook
Explain the difference between a balanced polyphase system and an…
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A common class of operation used in radio-frequency (RF) amplifier…
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Remember that vectors are mathematical objects just like numbers on a…
Textbook
With simple gate and combinational logic circuits, there is a definite…
Textbook
This calculator computes for the output pulse width of a 555 timer monostable circuit
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When a transistor is in the fully-off state (like an open switch), it…
Textbook
This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
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In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
RELATED WORKSHEET: Calculus for Electric…
Textbook
In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
Textbook
When connecting batteries together to form larger “banks”…
Textbook
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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Because the relationship between voltage, current, and resistance in…
Textbook
The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
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