Don’t just sit there! Build something!! Learning to mathematically…
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.
Don’t just sit there! Build something!! Learning to mathematically…
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
A technician uses a stroboscope to “freeze” the rotation of a…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
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.
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
If we were to express the series-connected DC voltages as phasors…
What does it mean for an object to have an electric charge? Give an…
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 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.
What is the purpose of the switch shown in this schematic diagram?
What is the purpose of a seven-segment decoder circuit? What is a…
Don’t just sit there! Build something!! Learning to mathematically…
Electromechanical watt-hour meters use an aluminum disk that is spun…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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.
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.
It is fairly important to use large value resistors (10 MΩ works…
All entries arranged in alphabetical order of surname. Major…
Contributors to this chapter are listed in chronological order of…
Both soldering irons and soldering guns are tools used in the process…
The Q factor of a series inductive circuit is given by the following…
Figure below shows a photodiode amplifier for measuring low levels of…
Standing waves at the resonant frequency points of an open- or…
Current Components in a series circuit share the same current: Itotal…
AC electromechanical meter movements come in two basic arrangements:…
The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
A practical application of switch and relay logic is in control…
In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.
In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.
In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.
When connecting batteries together to form larger “banks”…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
∫f(x) dx Calculus alert! One of the fundamental principles of…
In this hands-on electronics experiment, you will build a battery-operated circuit with a light and learn about open and short circuit failures.
“Advances are made by answering questions. Discoveries are made…
Many different equations used in the analysis of electric circuits may…
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.
