It simulates the unlocking of a room/door without physical contact
This section of the TI Precision Labs - Isolation series explores three-phase power factor…
What is the purpose of the switch shown in this schematic diagram?
Shown here is the schematic symbol for a resistor: What is the purpose…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…
If we were to express the series-connected DC voltages as phasors…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
It is fairly important to use large value resistors (10 MΩ works…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
What is the purpose of a seven-segment decoder circuit? What is a…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
What does it mean for an object to have an electric charge? Give an…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
A technician uses a stroboscope to “freeze” the rotation of a…
This calculator determines the bias and feedback of resistors for an inverting op-amp.
Just as devices have been made to measure certain physical quantities…
A common topology for DC-AC power converter circuits uses a pair of…
PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…
This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
A formula for capacitance in picofarads using practical dimensions:
“AC” stands for Alternating Current, which can refer to either…
What do each of the oscilloscope axes represent, in real-life terms…
The principle of non-sinusoidal, repeating waveforms being equivalent…
PARTS AND MATERIALS Length of bare (uninsulated) copper wire Length…
If the ends of a wire loop are attached to two half-circular metal…
Introduction This third volume of the book series Lessons In Electric…
The half-adder is extremely useful until you want to add more that…
This calculator computes the noise figure and noise temperature in a system
Don’t just sit there! Build something!! Learning to mathematically…
If some percentage of an amplifier’s output signal is connected…
Don’t just sit there! Build something!! Learning to mathematically…
