Stepper Motor vs Servo Motor A stepper motor is a…
How is it possible to electrically measure the torque output by a…
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…
Generators used in battery-charging systems must be regulated so as to…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Charles Proteus Steinmetz’s first job after arriving in America…
Solid-state switching circuits usually keep their constituent…
A very useful tool for observing rotating objects is a strobe light.…
Just as devices have been made to measure certain physical quantities…
If an electric current is passed through this wire, which direction…
A wound rotor induction motor has a stator like a squirrel cage…
Brushless DC motors were developed from conventional brushed DC motors…
Most AC motors are induction motors. Induction motors are favored due…
If the ends of a wire loop are attached to two half-circular metal…
Electromechanical watt-hour meters use an aluminum disk that is spun…
After the introduction of the DC electrical distribution system by…
Normally, the rotor windings of a wound rotor induction motor are…
The variable reluctance motor is based on the principle that an…
Project Parts and Materials Automotive alternator (one required, but…
The armature windings of your DC motor will have very low resistance.…
If the ends of a wire loop are attached to two half-circular metal…
The variable reluctance motor is based on the principle that an…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Shaded Pole Induction Motor An easy way to provide starting torque to…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
It is sometimes said regarding electrical safety that, Ït’s not the…
AC Motors Perhaps the most important benefit of polyphase AC power…
Normally, the rotor windings of a wound rotor induction motor are…
A wound rotor induction motor has a stator like a squirrel cage…
How is it possible to electrically measure the torque output by a…
Don’t just sit there! Build something!! Learning to analyze digital…
Read the following quotation, and then research the term…
Solid-state switching circuits usually keep their constituent…
Project Parts and Materials Automotive alternator (one required, but…
Most AC motors are induction motors. Induction motors are favored due…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Calculate the voltage output by the secondary winding of a transformer…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
All About Contactors When a relay is used to switch a large amount of…
This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
Note the “50 ohm” rating printed on the jacket of the cable. What…
PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…
Things start to get complicated when we need to relate two or more AC…
Although transistor switching circuits operate without bias, it is…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Charles Proteus Steinmetz’s first job after arriving in America…
When we store information in some kind of circuit or device, we not…
PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…
PARTS AND MATERIALS Operational amplifier, model 1458 or 353…
Don’t just sit there! Build something!! Learning to mathematically…
The most important component of your voltmeter will be the…
The choice of step-down transformers to use in a project such as this…
Note that the direction of the arrow at the gate indicates the…
What is the purpose of a seven-segment decoder circuit? What is a…
If at all possible, shut off the power to a circuit before performing…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…
