Variac new design with ASU Polytechnic
The team at Circuit Specialists was so happy with the capstone project last year that we again sponsored a senior
Read moreAutotransformer / Variac
Monitoring Variac Output with a Digital Panel Meter (DPM) [tutorial]
While most users are not concerned about the absolute readout of variac output voltage, a more accurate digital meter may
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Adding Temperature Control to an On/Off Crock-Pot
Today at Circuit Specialist HQ, our awesome accountant Anita brought in some delicious buffalo chicken cheese dip. After we all enjoyed
Read moreNew Opportunities for DIYers at Circuit
I like to dabble in many different crafts and hobbies; from LED design and home automation to basic soldering and programming. In my opinion
Read moreTen Uses for an Autotransformer, or Variac
1) Testing a repaired electronic device. After performing a repair on a piece of electronic equipment, it is best to
Read moreUsing a Variac to Power Up an Old Radio or Amplifier
It is best to monitor the AC current drawn by the unit as it is powered up, which indicates the
Read moreTransformers and Variable Autotransformers
Before we get into what a variable autotransformer is and how it works let’s take a look at regular transformers.
Read moreVariable AC Power Supplies
Because controlled electrical energy is useful for a number of things, power supplies are one of the most popular types
Read moreVariac and Auto Transformer Fundamentals
A variac is a vary simple device to use. It’s purpose is to raise or lower the voltage that enters
Read moreFinding a Variac
There are three considerations to ponder when choosing a Variac power supply. It is important to have a basic understanding
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