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.
Just as devices have been made to measure certain physical quantities…
(Template)
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Any kind of switch contact can be designed so that the contacts…
What do you think this logic buffer gate will do, with the output…
Complementary Output Gates It is sometimes desirable to have a logic…
The interlock contacts installed in the previous section’s motor…
Most ohmmeters of the design shown in the previous section utilize a…
The discovery of the relationship between magnetism and electricity…
How is it possible to electrically measure the torque output by a…
Though it may seem strange to cover the elementary topic of electrical…
A special type of relay is one that monitors the current, voltage,…
A practical application of switch and relay logic is in control…
Ladder diagrams are specialized schematics commonly used to document…
We’ve already seen one example of a monostable multivibrator in…
What does it mean, in general terms, to encode something? Conversely,…
Electromechanical relays used to start and stop high-power electric…
Don’t just sit there! Build something!! Learning to analyze digital…
Electricity and Magnetism An electric current through a conductor will…
The variable reluctance motor is based on the principle that an…
Every meter impacts the circuit it is measuring to some extent, just…
Normally, the ampacity rating of a conductor is a circuit design…
A bistable multivibrator has two stable states, as indicated by the…
A wound rotor induction motor has a stator like a squirrel cage…
SCRs are unidirectional (one-way) current devices, making them useful…
If the ends of a wire loop are attached to two half-circular metal…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Most students of electricity begin their study with what is known as…
This calculator helps determine the maximum temperature a device can withstand
It is fairly important to use large value resistors (10 MΩ works…
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
Pulse Width Modulation (PWM) uses digital signals to control power…
A special type of relay is one that monitors the current, voltage,…
Calculate the voltage output by the secondary winding of a transformer…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Transformers with Multiple Secondaries Transformers are very versatile…
This tool is designed to compute for the trace width of a microstrip
If the ends of a wire loop are attached to two half-circular metal…
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
Don’t just sit there! Build something!! Learning to mathematically…
Capacitors Vs. Resistors Capacitors do not behave the same as…
Diodes can perform switching and digital logic operations. Forward and…
“All men are liable to error;” —John Locke Whereas…
Wire-by-Number project: simple voltage divider Description: Build a…
A very important measurement in many liquid chemical processes…
Since Thevenin’s theorem and Norton’s theorems are two…
This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.
For bipolar junction transistors, the fundamental measure of…
Define what noise means, in the electrical sense of the word. How does…
In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.
As was stated in the last chapter, there is more than one type of…
A calculator for computing the inductance of a coaxial cable.
So far, we’ve been analyzing single-battery, single-resistor…
Determine what the magnitude and polarity of the voltmeter’s…
Don’t just sit there! Build something!! Learning to mathematically…