Tutorial Videos

Electrical Calculations
 

Listed herein are the tutorial videos for

Electrical Basics & Calculation Tutorials

Electrical Basics

Here you will find a basic discussion of electricity and the theory behind Hot Wire Foam Cutter power supplies

Resistance Testing

In this brief tutorial I outline the basics on using a multimeter and testing your circuit’s resistance. Which is measured in Ohms.

Knowing the resistance of your circuit will help you determine the power supply requirements. But it will also help determine if you are overloading/underloading your power supply

See the Troubleshooting Section for more help.

Power Supply Calculations

This is a full tutorial for calculating power supply requirements for your hot wire foam cutter.

Check out the Calculations Page for more information.

Creating a Resistor

There are manufactured resistors available that you can purchase and apply to your circuit.

But this tutorial shows you a few simple techniques to save some money and create your own in-line resistor.

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