Don’t just sit there! Build something!! Learning to mathematically…
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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.
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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 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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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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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.
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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Don’t just sit there! Build something!! Learning to mathematically…
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What is the purpose of a seven-segment decoder circuit? What is a…
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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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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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It is fairly important to use large value resistors (10 MΩ works…
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Shown here is the schematic symbol for a resistor: What is the purpose…
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If we were to express the series-connected DC voltages as phasors…
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What does it mean for an object to have an electric charge? Give an…
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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…
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A technician uses a stroboscope to “freeze” the rotation of a…
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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.
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Power Capacity As has already been observed, transformers must be well…
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Up to now, every circuit that was presented was a combinatorial…
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There are two basic Ohm’s Law equations: one relating voltage,…
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The R/2R DAC circuit is an alternative to the binary-weighted-input…
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The following problems are arranged in order from most likely to least…
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This calculator will determine the instantaneous energy, sustained energy, and power consumed by an electrical system given two of the three electrical parameters (voltage, current, or resistance) and the time.
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The singular reason for learning and using the binary numeration…
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Perhaps the most ingenious technique was that of the delay line. A…
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It is sometimes said regarding electrical safety that, Ït’s not the…
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Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
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Complementary Output Gates It is sometimes desirable to have a logic…
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Testing a JFET with a multimeter might seem to be a relatively easy…
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A thyristor is a device that has a number of unusual characteristics.…
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Solve this equation for the value of x: x + 5 = 8 How many exact…
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The smaller the cross-sectional area of any given wire, the greater…
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If a sinusoidal voltage is applied to an impedance with a phase angle…
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Don’t just sit there! Build something!! Learning to mathematically…
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Contributors to this chapter are listed in chronological order of…
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It is sometimes useful in logic circuits to have a multivibrator which…
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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
In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
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“The nice thing about standards is that there are so many of…
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In addition to forward voltage drop (Vf) and peak inverse voltage…
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So far, we’ve explored tubes which are totally…
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SPICE is a computer program designed to simulate analog electronic…
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This calculator will determine the square root, cube root, or nth root of a given number, x.
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What voltage will you choose to use for each of the station batteries?
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In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.
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When lightning strikes, nearby magnetic compass needles may be seen to…
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Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
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Metric Prefixes Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…
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The following is a partial list of contributors to the current online…
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A common topology for DC-AC power converter circuits uses a pair of…
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Ohm’s Law also makes intuitive sense if you apply it to the…
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Counting practice: count from zero to thirty-one in binary, octal, and…
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Three-phase Wye(Y) Connection Initially, we explored the idea of…
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It is very important to keep in mind that the “normal”…
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In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
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If we were to connect two inverter gates together so that the output…
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