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.
Don’t just sit there! Build something!! Learning to mathematically…
It is fairly important to use large value resistors (10 MΩ works…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Shown here is the schematic symbol for a resistor: What is the purpose…
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 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…
If we were to express the series-connected DC voltages as phasors…
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…
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 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.
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, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
Metric Prefixes Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…
So far, the phenomenon of resonance appears to be a useless curiosity,…
RELATED WORKSHEETS: JFET Amplifiers Worksheet
Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.
The interlock contacts installed in the previous section’s motor…
In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.
What Is an Instrumentation Amplifier? An instrumentation amplifier…
To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.
What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…
Complementary Output Gates It is sometimes desirable to have a logic…
RELATED WORKSHEET: Calculus for Electric…
This page will walk you step-by-step through the process of…
If we examine a four-bit binary count sequence from 0000 to 1111, a…
What does it mean if an integrated circuit comes in DIP form? What…
An important electrical quantity with no equivalent in DC circuits is…
If we take the equivalent circuit of an SCR and add another external…
This tool is designed to calculate the inductance of two parallel wires
Diodes can perform switching and digital logic operations. Forward and…
We can construct a simple logic functions for our hypothetical lamp…