Marvin Woo

How to

Calculate Total Resistance in Circuits

There are two ways to hook together electrical components. Series circuits use components connected one after the other, while parallel circuits connect components along parallel branches. The way resistors are hooked up...

How to Insert Batteries the Right Way

Installing batteries is a breeze with this thorough guideYour new TV is all plugged in and ready to go when you realize the remote doesn’t have batteries installed. Fitting your batteries into the remote can feel like...

How to

Solder Wires Together

Soldering involves melting a low-temperature metal alloy over a joint or wire splice to secure 2 pieces together without the risk of them coming undone. If you want to combine 2 wires, you can easily use solder to make a...

How to Sync a Roku Replacement Remote

This How.com.vn teaches you how to set up a replacement remote for your Roku player or TV. Since pairing a new remote requires getting to a certain place in the Roku's settings menu, you'll need an existing remote to pair a...

How to

Daisy Chain Lights

A daisy chain connects multiple light fixtures to the same circuit. It's useful for recessed lighting, illuminating rooms, and connecting lights to the same switch. To start, always turn off all the electricity and confi...

How to

Connect LED Strip Lights

To connect your LED strip lights, you can either use a connector for easy attachment, or you can solder the wires to the strip, which carries more current and creates a more stable connection. Whichever method you choose...

How to Convert a Computer Power Supply to a Lab Power Supply

An easy-to-follow guide on converting a computer ATX power supply to a lab power supplyDo you need a power supply for your workbench? Perhaps you are learning electronics. A typical lab power supply can cost $100 or mor...

How to

Connect Speakers to an Amp

Wiring your speakers and amp can be a huge undertaking, especially if you don’t have a lot of electrical experience. While it’s always best to leave complex projects to the pros, there are few ways you can connect yo...

How to

Straighten a Wire

If you have an old, bent wire, you probably know how hard it is to straighten out all the kinks. Even most new wires are coiled so they’re bent before you get the chance to use them. Straightening wires prevents unsigh...

How to

Replace a Power Cord Plug

The plugs on appliances or extensions cords can wear out or get damaged over time. However, you don’t have to spend money to get an entirely new cord. For just a few dollars, you can get a replacement plug and attach i...

How to

Change a Track Lighting Bulb

If one of the lights on your track lighting stops working, you typically just need to replace the bulb to get it working again. To change a track lighting bulb, you will first need to determine how to take it out of the ...

How to

Change the Fuse in a GE Microwave

Microwave repair requires extreme caution, even if you are only replacing one fuse. Microwaves use much higher voltage than other common appliances, and can cause serious injury or death if handled incorrectly. Only peop...

How to Wire, Power, and Tap LED Light Strips

Add a bit of colorful flair to any roomLED lights are a great way to add functional lighting or a bit of flair to a space. They’re also super easy to wire. You can connect an LED strip to an adapter and then plug it i...

How to

Hide a Circuit Breaker Box

Circuit breaker boxes are often unpleasant to look at and costly to move. Fortunately, you can decorate over the box to blend it in with the rest of the room. For a quick fix, try hanging a painting or covered frame over...

How to

Bend Wire

This How.com.vn will teach you several methods on how to bend wire, all with different goals and outcomes.

How to

Replace Halogen Downlights with Led

A straightforward guide on how to swap out halogen lights for more energy-efficient LEDsIf you use downlights for customized lighting in your home or business, you know that it’s extremely important for the light to fa...

How to

Test Wattage

If you want to test the wattage of household appliances—perhaps to identify sources of “phantom power” that are raising your electric bill—use an extremely easy and effective plug-in wattage meter. You can also c...

How to

Replace a Fuse on Christmas Tree Lights

If your entire string of Christmas lights stops working, you may have a burnt fuse. Replacing a Christmas light fuse involves locating the fuses, removing the burnt fuses, and installing the replacement set that came wit...

How to

Hide Plug Sockets

Plug sockets are a necessity in your home - in fact, if you use a lot of electrical devices you probably can’t get enough of them! However, they don’t always fit in well with your chosen decorating scheme, and you ma...

How to

Wire a Lamp

If your old lamp has gone haywire or you're building a new one from scratch, wiring it might seem a bit daunting. But with a little bit of DIY knowledge, you can purchase a new cord and plug and get everything up and run...