What is the purpose of a seven-segment decoder circuit? What is a…
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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.
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.
If we were to express the series-connected DC voltages as phasors…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
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.
A technician uses a stroboscope to “freeze” the rotation of a…
What does it mean for an object to have an electric charge? Give an…
Don’t just sit there! Build something!! Learning to mathematically…
What is the purpose of the switch shown in this schematic diagram?
Shown here is the schematic symbol for a resistor: What is the purpose…
Electromechanical watt-hour meters use an aluminum disk that is spun…
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.
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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.
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.
It is fairly important to use large value resistors (10 MΩ works…
Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
After the introduction of the DC electrical distribution system by…
A tool designed to compute the values to be used in a T-match Impedance Circuit
Write the following exponential expressions in expanded form: 101 =…
The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
Don’t just sit there! Build something!! Learning to mathematically…
In the last section, we learned what would happen in simple…
Don’t just sit there! Build something!! Learning to mathematically…
Buses and networks are designed to allow communication to occur…
Practical Benefit of Active Devices The practical benefit of active…
A tool designed to calculate the characteristic impedance of a twisted-pair cable
A circuit which removes the peak of a waveform is known as a clipper.…
Logic circuits, whether comprised of electromechanical relays or…
Since transformers are essentially AC devices, we need to be aware of…
Although the prime intent of octal and hexadecimal numeration systems…
It is sometimes said regarding electrical safety that, Ït’s not the…
With this lesson, I hope to avoid a common mistake found in…
Don’t just sit there! Build something!! Learning to mathematically…
A high-pass filter’s task is just the opposite of a low-pass…
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.