Brushless DC motors were developed from conventional brushed DC motors…
Normally, the rotor windings of a wound rotor induction motor are…
A three-phase motor may be run from a single-phase power source.…
If the ends of a wire loop are attached to two half-circular metal…
Don’t just sit there! Build something!! Learning to mathematically…
Most AC motors are induction motors. Induction motors are favored due…
Pulse Width Modulation (PWM) uses digital signals to control power…
If an electric current is passed through this wire, which direction…
How is it possible to electrically measure the torque output by a…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
A very useful tool for observing rotating objects is a strobe light.…
A tool designed to convert between units of torque
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
At first it may seem pointless to have the four buffer gates following…
Explain the operation of this “H-bridge” motor control circuit: At…
Stepper Motor vs Servo Motor A stepper motor is a…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
A wound rotor induction motor has a stator like a squirrel cage…
As was mentioned before, the angle of this “power…
This calculator determines the wavelength of a signal given the frequency and dielectric constant.
Calculate the voltage output by the secondary winding of a transformer…
Try out our Resistor Color Code Calculator in our Tools section.…
If we were to express the series-connected DC voltages as phasors…
PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…
In DC and low-frequency AC circuits, the characteristic impedance of…
PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…
The term “combinational” comes to us from mathematics. In…
Aside from the issues of the physical network (signal types and…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Up until this point, our analysis of transistor logic circuits has…
If we take the equivalent circuit of an SCR and add another external…
A multiplexer, abbreviated mux, is a device that has multiple inputs…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…
If an electric current is passed through this wire, which direction…
What will this voltmeter register when connected to a battery as shown…
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
Conductors lose all of their electrical resistance when cooled to…
If I wanted to build a battery-powered electric drill, would it be…
