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
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…
Worksheets - LED Drivers
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - LED Drivers
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
What does it mean for an object to have an electric charge? Give an…
Worksheets - LED Drivers
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - LED Drivers
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.
Textbook
What is the purpose of the switch shown in this schematic diagram?
Worksheets - LED Drivers
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - LED Drivers
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
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LED Drivers
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
If we were to express the series-connected DC voltages as phasors…
Worksheets - LED Drivers
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…
Worksheets - LED Drivers
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
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
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LED Drivers
Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - LED Drivers
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LED Drivers
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 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 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
Most of us have experienced some form of electric “shock,”…
Textbook
Inductors do not have a stable “resistance” as conductors…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LED Drivers
Many different equations used in the analysis of electric circuits may…
Worksheets - LED Drivers
The Law of Sines (for any triangle) The Law of Cosines (for any…
Textbook
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Worksheets - LED Drivers
SCRs are unidirectional (one-way) current devices, making them useful…
Textbook
Let’s take the following example circuit and analyze it: …
Textbook
In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.
Textbook
Up until this point, our analysis of transistor logic circuits has…
Textbook
A tool designed to calculate the guided wavelength inside a microstrip.
Tools
If a strip of conductive metal is stretched, it will become skinnier…
Textbook
In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.
Textbook
A very common misconception students have about potentiometers is the…
Worksheets - LED Drivers
The table of electric currents and their various bodily effects was…
Textbook
This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.
Tools
Contributors to this chapter are listed in chronological order of…
Textbook
In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
Textbook
In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.
Textbook
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