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.
Textbook
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.
Textbook
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.
Tools
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - LEDs
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.
Tools
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.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
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.
Textbook
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
Textbook
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - LEDs
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - LEDs
Shown here is the schematic symbol for a resistor: What is the purpose…
Worksheets - LEDs
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.
Textbook
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
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.
Textbook
What is the purpose of the switch shown in this schematic diagram?
Worksheets - LEDs
Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - LEDs
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.
Textbook
What does it mean for an object to have an electric charge? Give an…
Worksheets - LEDs
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.
Textbook
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.
Tools
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - LEDs
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
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.
Tools
It is fairly important to use large value resistors (10 MΩ works…
Worksheets - LEDs
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - LEDs
In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
Textbook
Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - LEDs
Series and Parallel Resistances Series and Parallel…
Textbook
The smaller the cross-sectional area of any given wire, the greater…
Textbook
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
Textbook
In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.
Textbook
The Parallel Wires of Infinite Length Suppose, though, that we had a…
Textbook
In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.
Textbook
In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.
Textbook
What do each of the oscilloscope axes represent, in real-life terms…
Worksheets - LEDs
All About Contactors When a relay is used to switch a large amount of…
Textbook
It used to be with large AC power systems that “power…
Textbook
During the early development of telephone technology, a unit was…
Worksheets - LEDs
In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.
Textbook
In the design of large and complex digital systems, it is often…
Textbook
In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.
Textbook
So far we know that AC voltage alternates in polarity and AC current…
Textbook
The field effect transistor was proposed by Julius Lilienfeld in US…
Textbook
What is an Encoder? An encoder is a circuit that changes a set of…
Textbook
Facebook
Google
GitHub
Linkedin