In this circuit, the electric motor is supposed to turn on whenever…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Before the advent of solid-state logic circuits, logical control…
PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…
A technician uses a stroboscope to “freeze” the rotation of a…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
In addition to performing tasks of amplification and switching, tubes…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
What is the purpose of a seven-segment decoder circuit? What is a…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Identify each of these logic gates by name, and complete their…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
The following circuits are pre-tested netlists for SPICE 2g6, complete…
When using conventional current flow, we can trace the direction of…
A tool designed to calculate the power density of an antenna
An inductor is a passive two-terminal electrical component that…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
A very useful tool for observing rotating objects is a strobe light.…
Don’t just sit there! Build something!! Learning to mathematically…
A tool designed to compute the values to be used in a T-match Impedance Circuit
The Bel is Used to Represent Gain In its simplest form, an…
Don’t just sit there! Build something!! Learning to analyze relay…
Solving for x in a given polynomial equation “ax2 + bx + c…
Fallacious reasoning and poor interpersonal relations account for more…
Three-Phase Alternator Let’s take the three-phase alternator…
When first approaching a failed or otherwise misbehaving system, the…
To express a quantity in a different metric prefix from how it was…
Whenever there is a mismatch of impedance between transmission line…
Don’t just sit there! Build something!! Learning to analyze digital…
Input impedance varies considerably with the circuit configuration…
OK, so how exactly can we represent AC quantities of voltage or…
A calculator for computing the inductance of a coaxial cable.
PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…
Digital logic gate circuits are manufactured as integrated circuits:…
Don’t just sit there! Build something!! Learning to mathematically…
Electronics is a science, and a very accessible science at that. With…
Cathode: This is the electrode that is heated and emits the…
Analog circuits are circuits dealing with signals free to vary from…
Explain how the microphone in your amplifier works. How, exactly, does…
What is a harmonic frequency? If an oscillator circuit outputs a…
“I think it is safe to say that no one understands quantum…
PARTS AND MATERIALS Oscilloscope Assortment of non-polarized…
Brushless DC motors were developed from conventional brushed DC motors…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
This tool is designed to calculate the power at the receiver using link budget analysis.
A serial-in, parallel-out shift register is similar to the serial-in,…
PARTS AND MATERIALS Three batteries, each one with a different…
Don’t just sit there! Build something!! Learning to mathematically…
A parallel circuit is often called a current divider for its ability…
Often in the course of designing and building electrical meter…
What Is an XOR Gate? One element conspicuously missing from the set of…
So far, the phenomenon of resonance appears to be a useless curiosity,…
