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How To: Make a cone record player

If you're record player doesn't work anymore, but it still turns, then this is the perfect solution for you. The video show you how to make a cone record player. It's also a neat trick for playing your records with out a record player, instead of a regular phonograph needle.

How To: Zap and revive old NiCad batteries with a mig welder

Nicad batteries often die in such a way that they won't take a charge and have zero voltage. This usually means they're shorted out by crystal dendrite growth. Here's a method of bringing them back to life by zapping those shorted crystal dendrites away with too much current and/or voltage. We'll use a welder as a power source. You could also use a car battery, a DC powersupply, or almost anything with some voltage. Charged-up capacitors are popular for this because you can get a very fast pu...

How To: Make a 200mw burning laser

Don't use a perfectly good DVD burner to get your laser that will pop balloons, light matches, and burn stuff. Just buy a laser diode at mfgcn.com and also a laser housing, and you won't be tearing a computer DVD player apart. This is the easy way to make a 200mW burning DVD laser. Use a Mini Maglite and some rechargeable batteries so you don't burn out the laser.

How To: Make Arduino circuit boards for robotics

This week on Make Magazine is a project with parts from the Arduino Starter Kit. Skip over building the Proto Shield. Otherwise, it's a simple build that doesn't require any soldering. Arduino is a speaking control for robotics. It can be used in other Make kits or robotic projects. This is a circuit bending and circuit board project that involves basic circuitry and wiring.

How To: Solder wires like a professional

This is an instructional video featuring Doug Prime, founder of the Future Engineers Center at the University of Massachusetts Lowell. Melt the solder to connect wires for switches and permanent circuits. Heat the surface before you put the solder on it. Don't drip the solder for it is too much and not necessary. Make sure you wash hands and have a ventilated room because solder sometimes has lead in it.

How To: Solder a wire onto a switch when building circuits

This is an instructional video featuring Doug Prime, founder of the Future Engineers Center at the University of Massachusetts Lowell. Strip the wire and make sure the wire is tied on tightly before soldering. Don't drip balls of solder. Make sure the tip is clean. Then hold it on the joint to be soldered for 4 seconds. Then poke the solder on the surface and it will melt with the heat.

How To: Cut and strip wires safely

This is an instructional video featuring Doug Prime, founder of the Future Engineers Center at the University of Massachusetts Lowell. Use wire strippers where they are like scissors. To cut off the wire's insulation and strip it you need to know the wire's gauge. Check the gauge on both the wire and the stripper.

How To: Solder to a metal strap

This is an instructional video featuring Doug Prime, founder of the Future Engineers Center at the University of Massachusetts Lowell. If you want to make a homemade switch watch this video on using solder to tie the wire. Use sandpaper to clean where you will solder.

How To: Make a laundry detergent lamp

A nifty step-by-step guide to making your very own laundry detergent lamp. Upcycle that recyclable detergent bottle and gain a swell lighting fixture for your home! This involves some basic circuitry and wiring of a cheap lamp fixture. You use the laundry detergent bottle as the base of the lamp. It's a bit arts & crafts project and a bit conservation! Help our mother nature with this nifty at-home craft decoration project!

How To: Build a Mini Hovercraft

Create a miniature hover craft from the fan, polystrene or Styrofoam plate, batteries and double-sided scotch tape. It really works. Powered by two 9 volt batteries you can use paper plates for the body of the hovercraft if need be. This is a cool cat toy or just a household hack.

How To: Make a cheap lucid dream mask

Did you know you can stimulate yourself to have a lucid dream? Well, it may take a little bit of practice first, but this sleep mask can certainly help you have the most interesting and realistic dreams of your life (yes, kinda like "Inception.") Just check out this video to learn how to make a super cheap lucid dream mask out of two LED lights and a pair of goggles.

How To: Hack Smart Cards for satellite TVs

Notorious hacker Chris Tarnovsky opens his underground laboratory to WIRED, providing a peek into the world of satellite television smart-card hacking. This complicated process involves nail polish, a pin head and various acids -- so don't try this at home (unless you're Chris Tarnovsky)! Chances are you won't even know what's going on here, but that's not going to stop you from watching this video tutorial on how to reverse-engineer a satellite TV smart card, is it?

How To: Solder electroluminescent EL wire

Looking to find out how to solder EL or electro luminescent wire? This is a great tutorial on cutting the jacket and soldering the 40 gauge corona wires. They're very fine wires and you don't want to nick them while stripping them. You also need copper tape to help join the wires.

How To: Make noise canceling headphones and an LED light

Let Forbes help you make a few do-it-yourself projects in record breaking time. This video tutorial contains information on how to make three various projects. Learn how to make your very own noise canceling earphones out of junk old headphones, make an LED light, and make a simple marshmallow shooter. This projects are not only easy and quick to make, but fun. Make noise canceling headphones and an LED light.

How To: Do some basic soldering for electronic equipment

Need a little help soldering? If you can't quite figure out how to solder for your electronics and wires, maybe it's time you took a soldering 101 class. Well, no need to pay any expensive tuition, just watch this video tutorial to see how to do some basic soldering for electronic equipment or whatever you need it for. It's as simple as getting some solder and a soldering gun. The rest comes naturally, believe me. This explanation is more that enough to get your started in the world of solder.

How To: Illuminate a regular computer keyboard

Light up your keyboard with this illuminating tutorial from Make Magazine's Kipkay. To get started on this hack, which should take roughly a half an hour and cost no more than $5, you'll need the following: (1) a regular computer keyboard (most any model will do), (2) a screwdriver, (3) a drill, (4) telephone wire, (5) heat shrink tubing, and (6) two 5 mm high-brightness, white LEDs. For comprehensive, step-by-step instructions on building your own light-up keyboard, simply watch this hacker'...

How To: Strip insulated copper wire for electronics

This video tutorial explains how to strip insulated wire the right way. You'll learn how to adjust your wire strippers to make the process easier. Some people don't even use wire strippers, they use a knife or maybe even their teeth, but this causes nicks in the copper. To get the insulation off with ease and without gouges in the copper wire, use the proper sized wire strippers and adjust them right to fit the gauge of your wire. It's as simple as that. You don't need to go to vocational sch...

How To: Make LED and basic sink tube lightsabers

Have you become a Jedi in your Star Wars delusional mind? If so, break out of the the asylum with a Jedi lightsaber. Oh, but you don't have a lightsaber yet, okay. Well, this video tutorial will show you how to make a very inexpensive LED light saber with the most basic parts you could find. Novastar will shares his Jedi wisdom on LED light sabers, so pay attention, or you could never get out of that loony bin.

How To: Solder a pair of headphones

Find yourself faced with a dead channel on your headphones? Before them out, you might take the opportunity to see what you can learn from trying to fix them yourself with a soldering iron. The repair can often be straightforward. For detailed step-by-step instructions on resoldering a broken connection on your own cans, watch this headphone repair tutorial. Take a look.

How To: Build an eco-friendly directional WiFi antenna

Learn how to build an environmentally friendly directional WiFi antenna with this simple video guide. To follow along at home, you'll need the following things: a copper wedge, an N-type connector, some screws, a clamp-on N plug, a pigtail, and a wireless card. You'll also need a drill, screwdriver, and soldering iron. For comprehensive, step-by-step instructions on hacking your own directional WiFi antenna from a tin can, watch this video tutorial.

How To: Build a simple MIDI controller

Do you need just a few more controls? Perhaps your wondering how hard it is to make your own controller? Then follow the steps in this 2 part series and build your first MIDI controller in about an hour for very little cash. Using only 8 electronics parts, a pre-made case and a DIY midi interface that is USB powered- you can build a controller and it wont require a degree in electrical engineering. For detailed, step-by-step instructions, on building your own DIY MIDI controller watch this vi...