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 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
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - LEDs
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, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
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.
Tools
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - LEDs
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
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
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
What does it mean for an object to have an electric charge? Give an…
Worksheets - LEDs
Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - LEDs
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - LEDs
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
What is the purpose of the switch shown in this schematic diagram?
Worksheets - LEDs
Shown here is the schematic symbol for a resistor: What is the purpose…
Worksheets - LEDs
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 and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
Textbook
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
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
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
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
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
If we were to express the series-connected DC voltages as phasors…
Worksheets - LEDs
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 - LEDs
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
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 - LEDs
Insulated gate field-effect transistors are unipolar devices just like…
Textbook
A transmission line of infinite length is an interesting abstraction,…
Textbook
Using an electrical meter safely and efficiently is perhaps the most…
Textbook
Define the following terms: energy, work, and power.
Worksheets - LEDs
What Is an XOR Gate? One element conspicuously missing from the set of…
Textbook
As an example of using several circuits together, we are going to make…
Textbook
In the previous section, we explored what would happen in simple…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - LEDs
The nonlinearity of material permeability may be graphed for better…
Textbook
The circuits in the figure below are known as clampers or DC…
Textbook
Most students of electricity begin their study with what is known as…
Textbook
In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
Textbook
The following problems are arranged in order from most likely to least…
Textbook
Input Voltages for Logic Gates Logic gate circuits are designed to…
Textbook
Passive Devices Components incapable of controlling current by means…
Textbook
This tool is designed to calculate the inductance of two parallel wires
Tools
Power in an electric circuit is the product (multiplication) of…
Textbook
How to Create Band-pass Filter There are applications where a…
Textbook
This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline
Tools
“The nice thing about standards is that there are so many of…
Textbook
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