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.
Before the advent of solid-state logic circuits, logical control…
What is the purpose of a seven-segment decoder circuit? What is a…
In addition to performing tasks of amplification and switching, tubes…
In this circuit, the electric motor is supposed to turn on whenever…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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.
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.
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.
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
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.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
What is the purpose of a seven-segment decoder circuit? What is a…
Before the advent of solid-state logic circuits, logical control…
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.
In this circuit, the electric motor is supposed to turn on whenever…
Identify each of these logic gates by name, and complete their…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
In addition to performing tasks of amplification and switching, tubes…
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.
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.
A technician uses a stroboscope to “freeze” the rotation of a…
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.
Single Phase Synchronous Motors Single-phase synchronous motors are…
RELATED WORKSHEETS: Calculus for Electric Circuits…
Quantum physics describes the states of electrons in an atom according…
Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…
The Maximum Power Transfer Theorem is not so much a means of analysis…
You might have been wondering how charges can continuously flow in a…
When a transistor is in the fully-off state (like an open switch), it…
Synchronous motors load the power line with a leading power factor.…
Also called the parallel A/D converter, this circuit is the simplest…
Anyone who’s studied geometry should be familiar with the…
Our next transistor configuration to study is a bit simpler for gain…
The interlock contacts installed in the previous section’s motor…
The discovery of the relationship between magnetism and electricity…
Because octal and hexadecimal numeration systems have bases that are…
Don’t just sit there! Build something!! Learning to mathematically…
In order to work with complex numbers without drawing vectors, we…
Don’t just sit there! Build something!! Learning to mathematically…
Bipolar junction transistors (Also known as BJTs) can be used as an…
Explain how an ohmmeter is able to measure the resistance of a…
Like bipolar transistors, SCRs and TRIACs are also manufactured as…
The Q, or quality, factor of a resonant circuit is a measure of the…