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
Single Phase Synchronous Motors Single-phase synchronous motors are…
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
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - Optoelectronics
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 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
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optoelectronics
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 addition to performing tasks of amplification and switching, tubes…
Textbook
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optoelectronics
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
Identify each of these logic gates by name, and complete their…
Worksheets - Optoelectronics
Schottky diodes Schottky diodes are constructed of a metal-to-N…
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
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 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
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
Many electronic circuits use what is called a split or a dual power…
Worksheets - Optoelectronics
Insulated gate field-effect transistors are unipolar devices just like…
Textbook
The interlock contacts installed in the previous section’s motor…
Textbook
In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
Textbook
Also known as the stairstep-ramp, or simply counter A/D converter,…
Textbook
The smaller the cross-sectional area of any given wire, the greater…
Textbook
Older electrical schematics showed connecting wires crossing, while…
Textbook
What does the acronym RF stand form, in reference to radio-related…
Worksheets - Optoelectronics
Both soldering irons and soldering guns are tools used in the process…
Worksheets - Optoelectronics
When the need arises to correct for poor power factor in an AC power…
Textbook
Pure semiconductors are relatively good insulators as compared with…
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
When an alternator produces AC voltage, the voltage switches polarity…
Textbook
What does it mean for an object to have an electric charge? Give an…
Worksheets - Optoelectronics
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
Electricity and Magnetism An electric current through a conductor will…
Textbook
Note: all angles (x) must be expressed in units of radians for these…
Textbook
In this hands-on electronics experiment, you will learn about electromagnetic induction using an electromagnet and a permanent magnet.
Textbook
A rheostat (variable resistor) and a switch are both examples of…
Worksheets - Optoelectronics
Instrumentation is a field of study and work centering on measurement…
Textbook
The Q, or quality, factor of a resonant circuit is a measure of the…
Textbook
A serial-in, parallel-out shift register is similar to the serial-in,…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
Practical Benefit of Active Devices The practical benefit of active…
Textbook
What is the difference between a JMP (“jump”) instruction and a…
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Calculate the voltage output by the secondary winding of a transformer…
Worksheets - Optoelectronics
Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.
Textbook
What is Conductance? In the study of DC circuits, the student of…
Textbook
So far, we’ve been analyzing single-battery, single-resistor…
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Textbook
Safety is very important when designing and/or building a device…
Worksheets - Optoelectronics
The Use of Logic Gate Inverters and buffers exhaust the possibilities…
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Textbook
Seeing as how a common meter movement can be made to function as a…
Textbook
So far we have been finding Sum-Of-Product (SOP) solutions to logic…
Textbook
A microcontroller is a specialized type of digital computer used to…
Worksheets - Optoelectronics
The concept and measurement units of resistance are most often used…
Textbook
In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
Textbook
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Worksheets - Optoelectronics
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