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 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 addition to performing tasks of amplification and switching, tubes…
Textbook
Identify each of these logic gates by name, and complete their…
Worksheets - Optoelectronics
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
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optoelectronics
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
Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - Optoelectronics
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
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
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optoelectronics
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 digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.
Textbook
Before the advent of solid-state logic circuits, logical control…
Textbook
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 semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Textbook
The normal data inputs to a flip flop (D, S and R, or J and K) are…
Textbook
This calculator will convert pressure values to ten different standard units for pressure.
Tools
Contributors to this chapter are listed in chronological order of…
Textbook
Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…
Textbook
A very important measurement in many liquid chemical processes…
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Textbook
The R/2R DAC circuit is an alternative to the binary-weighted-input…
Textbook
So far, we’ve been analyzing single-battery, single-resistor…
Textbook
So far, we’ve explored tubes which are totally…
Textbook
Transformers with Multiple Secondaries Transformers are very versatile…
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This calculator helps you compute the characteristic impedance of an embedded microstrip.
Tools
Product of Powers Property am an = am+n Power of a Product…
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How to Create Band-pass Filter There are applications where a…
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As was stated earlier, most meter movements are sensitive devices.…
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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.
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Metric Prefixes Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…
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Fundamentally, an amplifier is a device that takes in a low-power…
Worksheets - Optoelectronics
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
Tools
A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.
Tools
The benefits of scientific notation do not end with ease of writing…
Textbook
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
When an electric current is passed through a coil of wire, what…
Worksheets - Optoelectronics
NAND and NOR gates possess a special property: they are universal.…
Textbook
An electromechanical generator is a device capable of producing…
Textbook
How to Create Band-pass Filter There are applications where a…
Textbook
In mathematics, an identity is a statement true for all possible…
Textbook
These are the most common types of resistors available. Resistors…
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Like its bipolar cousin, the field-effect transistor may be used as an…
Textbook
In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.
Textbook
The term “combinational” comes to us from mathematics. In…
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Every meter impacts the circuit it is measuring to some extent, just…
Textbook
In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.
Textbook
Ammeters Measure Electrical Current A meter designed to measure…
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To express a quantity in a different metric prefix from how it was…
Textbook
In instrumentation circuitry, DC signals are often used as analog…
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RELATED WORKSHEETS: JFET Amplifiers Worksheet
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“Advances are made by answering questions. Discoveries are made…
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Read-only memory (ROM) is similar in design to static or dynamic RAM…
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The invention of the bipolar transistor in 1948 ushered in a…
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