What is the purpose of a seven-segment decoder circuit? What is a…
In this circuit, the electric motor is supposed to turn on whenever…
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.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Before the advent of solid-state logic circuits, logical control…
Single Phase Synchronous Motors Single-phase synchronous motors are…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
Before the advent of solid-state logic circuits, logical control…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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 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.
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 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 addition to performing tasks of amplification and switching, tubes…
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.
In this circuit, the electric motor is supposed to turn on whenever…
Single Phase Synchronous Motors Single-phase synchronous motors are…
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
A technician uses a stroboscope to “freeze” the rotation of a…
What is the purpose of a seven-segment decoder circuit? What is a…
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 and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
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.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Identify each of these logic gates by name, and complete their…
This article explains the step-by-step process for determining the…
This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.
The nonlinearity of material permeability may be graphed for better…
Real operational amplifiers have some imperfections compared to an…
Starting with circle A in a rectangular A’ universe in figure…
Every meter impacts the circuit it is measuring to some extent, just…
Quantum physics describes the states of electrons in an atom according…
If two coils of wire are brought into close proximity with each other…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Generally speaking, how many “time constants” worth of time does…
This chapter will cover the physics behind the operation of…
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
It is sometimes desirable to have circuits capable of selectively…
In any electrically conductive substance, what are charge carriers?…
It is very important to keep in mind that the “normal”…
A decoder is a circuit that changes a code into a set of signals. It…
This calculator helps you compute the inductance of a wire loop.
Calculate the voltage output by the secondary winding of a transformer…
It is sometimes said regarding electrical safety that, Ït’s not the…
The choice of step-down transformers to use in a project such as this…
