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.
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.
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.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
A technician uses a stroboscope to “freeze” the rotation of a…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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 a seven-segment decoder circuit? What is a…
Don’t just sit there! Build something!! Learning to mathematically…
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.
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.
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Don’t just sit there! Build something!! Learning to mathematically…
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.
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.
What does it mean for an object to have an electric charge? Give an…
Don’t just sit there! Build something!! Learning to mathematically…
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.
Don’t just sit there! Build something!! Learning to mathematically…
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.
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.
What is the purpose of the switch shown in this schematic diagram?
Electromechanical watt-hour meters use an aluminum disk that is spun…
A technician uses a stroboscope to “freeze” the rotation of a…
What is the purpose of a seven-segment decoder circuit? What is a…
If we were to express the series-connected DC voltages as phasors…
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.
Don’t just sit there! Build something!! Learning to mathematically…
Shown here is the schematic symbol for a resistor: What is the purpose…
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.
Don’t just sit there! Build something!! Learning to mathematically…
In an ideal case, an inductor acts as a purely reactive device. That…
The smaller the cross-sectional area of any given wire, the greater…
If a block of P-type semiconductor is placed in contact with a block…
Add the following binary numbers:
A parallel circuit is often called a current divider for its ability…
In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
A helpful analogy for understanding divided feedback amplifier…
So far, we’ve observed simulations of transformers where the…
As we’ve already learned, electricity requires a complete path…
Power Capacity As has already been observed, transformers must be well…
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
After applying some of the general troubleshooting tips to narrow the…
In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.
This calculator computes the power received by an antenna using Friis formula
Product of Powers Property am an = am+n Power of a Product…
Contributors to this chapter are listed in chronological order of…
A tool designed to convert RF power from watts to decibels and vice versa
Don’t just sit there! Build something!! Learning to mathematically…
