Don’t just sit there! Build something!! Learning to mathematically…
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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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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 the switch shown in this schematic diagram?
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Adaptive Lighting
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
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 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.
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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If we were to express the series-connected DC voltages as phasors…
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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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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.
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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.
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What does it mean for an object to have an electric charge? Give an…
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It is fairly important to use large value resistors (10 MΩ works…
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Schottky diodes Schottky diodes are constructed of a metal-to-N…
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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
Aside from the issues of the physical network (signal types and…
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This calculator will convert pressure values to ten different standard units for pressure.
Tools
In the previous section, we saw a circuit using one J-K flip-flop that…
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Contributors to this chapter are listed in chronological order of…
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Power Capacity As has already been observed, transformers must be well…
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What is the purpose of the switch shown in this schematic diagram?
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In the last section, we learned what would happen in simple…
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Limitations of Electromechanical Relays As versatile as…
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As an example of using several circuits together, we are going to make…
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There are not too many circuit symbols for bipolar transistors. There…
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The following is a partial list of contributors to the current online…
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Circuits consisting of just one battery and one load resistance are…
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Since transformers are essentially AC devices, we need to be aware of…
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Schottky diodes Schottky diodes are constructed of a metal-to-N…
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Safety is very important when designing and/or building a device…
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Euler’s Number Euler’s constant is an important value for…
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With BogusBus, our signals were very simple and straightforward: each…
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As we saw earlier, a power system with no secure connection to earth…
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As strange as it may seem, any repeating, non-sinusoidal waveform is…
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