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 - Optical Sensors
Before the advent of solid-state logic circuits, logical control…
Textbook
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optical Sensors
Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
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
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Textbook
In addition to performing tasks of amplification and switching, tubes…
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
In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.
Textbook
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - Optical Sensors
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
Single Phase Synchronous Motors Single-phase synchronous motors are…
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
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
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
Before the advent of solid-state logic circuits, logical control…
Textbook
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optical Sensors
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Identify each of these logic gates by name, and complete their…
Worksheets - Optical Sensors
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optical Sensors
In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.
Textbook
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
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
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
One of the more fascinating applications of electricity is in the…
Textbook
Having learned about digital memory devices in the last chapter, we…
Textbook
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
Tools
As an instructor of electronics, I am called upon frequently to help…
Worksheets - Optical Sensors
Just as devices have been made to measure certain physical quantities…
Textbook
Most electrical wire is covered in a rubber or plastic coating called…
Worksheets - Optical Sensors
Determine if the light bulb will de-energize for each of the following…
Worksheets - Optical Sensors
In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
Textbook
If at all possible, shut off the power to a circuit before performing…
Textbook
When lightning strikes, nearby magnetic compass needles may be seen to…
Worksheets - Optical Sensors
As was mentioned before, the angle of this “power…
Textbook
∫f(x) dx Calculus alert! One of the fundamental principles of…
Worksheets - Optical Sensors
The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
Tools
This is a schematic for a simple VCO: The oscillator is of the RC…
Worksheets - Optical Sensors
Worksheets - Optical Sensors
Electricity and Magnetism An electric current through a conductor will…
Textbook
This calculator helps you compute for the inductance of an edge coupled trace.
Tools
Synchronous motors load the power line with a leading power factor.…
Textbook
The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
Tools
Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.
Textbook
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