While Oersted’s surprising discovery of electromagnetism paved…
A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.
The Q, or quality, factor of a resonant circuit is a measure of the…
Let’s analyze a simple series circuit and determine the voltage…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
Capacitors Vs. Resistors Capacitors do not behave the same as…
Don’t just sit there! Build something!! Learning to mathematically…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
When a transistor is in the fully-off state (like an open switch), it…
In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.
Consider a circuit for a single-phase AC power system, where a 120…
Don’t just sit there! Build something!! Learning to mathematically…
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.
In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.
These are the most common types of resistors available. Resistors…
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.
This calculator helps you compute the inductance of a rectangle loop.
Let’s take the following example circuit and analyze it: …
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.
A thyristor is a device that has a number of unusual characteristics.…
If at all possible, shut off the power to a circuit before performing…
With simple gate and combinational logic circuits, there is a definite…
Single Phase Synchronous Motors Single-phase synchronous motors are…
A calculator designed to compute the power-added efficiency (PAE) of an amplifier
You may have wondered where we got that strange equation for the…
Point-to-Point Connecting two digital devices with a network, would…
Most AC motors are induction motors. Induction motors are favored due…
Don’t just sit there! Build something!! Learning to mathematically…
Wire-by-Number project: simple voltage divider Description: Build a…
The final transistor amplifier configuration (Figure below) we need to…
Capacitance Formula Permittivity of Dielectric …
The most important component of your voltmeter will be the…
Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…
Buses and networks are designed to allow communication to occur…
Most of us have experienced some form of electric “shock,”…
This calculator helps you compute the inductance of a broadside coupled trace.
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Try out our Resistor Color Code Calculator in our Tools section.…
In this hands-on AC electronics experiment, you will sense AC electric fields using the sensitive voltage detector and learn about capacitive coupling, EMI, and shielding techniques.
What do you think this logic buffer gate will do, with the output…
There are circumstances when you may need to analyze a DC reactive…
As we saw earlier, a power system with no secure connection to earth…
A diode is an electronics component made from a combination of a…
Since complex numbers are legitimate mathematical entities, just like…
Don’t just sit there! Build something!! Learning to mathematically…
Euler’s Number Euler’s constant is an important value for…
Instrumentation is a field of study and work centering on measurement…
This calculator will convert pressure values to ten different standard units for pressure.
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 helps you compute the inductance of a wire loop.
The first, and perhaps most important, relationship between current,…
In the last section, we saw how the 3rd harmonic and all of its…
What voltage will you choose to use for each of the station batteries?
Don’t just sit there! Build something!! Learning to mathematically…
Electromechanical relays used to start and stop high-power electric…
The smaller the cross-sectional area of any given wire, the greater…
The manufacture of only silicon based semiconductors is described…
What do we do if we come across a circuit more complex than the simple…
Centuries ago, it was discovered that certain types of mineral rock…
