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
Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optical Sensors
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optical Sensors
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Before the advent of solid-state logic circuits, logical control…
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
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
Before the advent of solid-state logic circuits, logical control…
Textbook
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 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
Identify each of these logic gates by name, and complete their…
Worksheets - Optical Sensors
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 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 circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optical Sensors
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
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - Optical Sensors
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 addition to performing tasks of amplification and switching, tubes…
Textbook
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optical Sensors
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
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
Note the “50 ohm” rating printed on the jacket of the cable. What…
Worksheets - Optical Sensors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optical Sensors
Identify each of these logic gates by name, and complete their…
Worksheets - Optical Sensors
A tool designed to compute the values to be used in a T-match Impedance Circuit
Tools
Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - Optical Sensors
The Law of Sines (for any triangle) The Law of Cosines (for any…
Textbook
Decibel as Absolute Unit of Power It is also possible to use the…
Textbook
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Figure below shows a photodiode amplifier for measuring low levels of…
Textbook
This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
Tools
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optical Sensors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optical Sensors
There are three basic factors of capacitor construction determining…
Textbook
A common topology for DC-AC power converter circuits uses a pair of…
Worksheets - Optical Sensors
Identify which direction each potentiometer wiper must move in this…
Worksheets - Optical Sensors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optical Sensors
When analyzing complex series and parallel circuits, it is easy to…
Textbook
Determine what the magnitude and polarity of the voltmeter’s…
Worksheets - Optical Sensors
Value of time constant in series RC and RL circuits Time…
Textbook
A calculator for computing the inductance of a coaxial cable.
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