A bistable multivibrator has two stable states, as indicated by the…
What do you think this logic buffer gate will do, with the output…
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
Counting practice: count from zero to thirty-one in binary, octal, and…
If a pulse-width modulated (PWM) signal is sent to a passive…
Identify each of these logic gates by name, and complete their…
The interlock contacts installed in the previous section’s motor…
The wires between the tank and the monitoring location is called…
In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.
The single-transistor inverter circuit illustrated earlier is actually…
What is a Synchronous Counter? A synchronous counter, in contrast to…
In the previous section, we saw a circuit using one J-K flip-flop that…
So far we have been finding Sum-Of-Product (SOP) solutions to logic…
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In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.
A practical application of switch and relay logic is in control…
The “vocabulary” of instructions which any particular…
Complementary Output Gates It is sometimes desirable to have a logic…
The Use of Logic Gate Inverters and buffers exhaust the possibilities…
A microcontroller is a specialized type of digital computer used to…
Every meter impacts the circuit it is measuring to some extent, just…
Current Components in a series circuit share the same current: Itotal…
This calculator helps determine the maximum temperature a device can withstand
Constant Rule Rule of Sums Rule of…
While Oersted’s surprising discovery of electromagnetism paved…
Input Voltages for Logic Gates Logic gate circuits are designed to…
In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Many electronic circuits use what is called a split or a dual power…
In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.
In the design of large and complex digital systems, it is often…
A tool designed to calculate the guided wavelength inside a microstrip.
In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.
There are three major kinds of power supplies: unregulated (also…
AC Motors Perhaps the most important benefit of polyphase AC power…
Roman Numerals The Romans devised a system that was a substantial…
In this circuit, the electric motor is supposed to turn on whenever…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
If we take the equivalent circuit of an SCR and add another external…
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Don’t just sit there! Build something!! Learning to analyze digital…
When calculating the power dissipation of resistive components, we can…
A wound rotor induction motor has a stator like a squirrel cage…
Factoring Identities : a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…
Shown here is a simplified representation of an atom: the smallest…
Don’t just sit there! Build something!! Learning to mathematically…
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 semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.
Larger Karnaugh maps reduce larger logic designs. How large is large…
All entries arranged in alphabetical order of surname. Major…
This calculator will solve for either distance, time, or speed given two of the three parameters.
Associative Property In addition and multiplication, terms may be…
This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.
Don’t just sit there! Build something!! Learning to analyze digital…
Though it may seem strange to cover the elementary topic of electrical…
Serial-in, serial-out shift registers delay data by one clock time for…
Counting practice: count from zero to thirty-one in binary, octal, and…
SCRs are unidirectional (one-way) current devices, making them useful…
In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.
