Hot Hacks, Mods & Circuitry Posts

How To: Hack a six volt lantern battery

Find out how to use a six volt lantern battery to really save you money. This is no con, or prank, or joke that involves 32 AA batteries; this is the real deal. Just watch this money saving video tutorial to see how to hack a six volt battery. You can easily replace a few of this cells, which are equal to 3 D batteries, which can be used inside of your Maglite flashlight. Don't let that 6 volt battery go to waste after buying it for the other false hack, use them in any way you can, like this...

How To: Build a styrofoam plate speaker

This magical electronics tutorial video will teach you how to make a decent sounding speaker from a disposable Styrofoam plate. A Styrofoam plate is, of course, not someone's first thought when they consider speaker materials, but give this one a try. This is an easy and cheap project with surprising results!

How To: Wire a solar cell into an electrical circuit

The Solar Schoolhouse presents this video tutorial on how to use the Solar Cell Classroom Set. The purpose of this set is to give students hands on experience making electricity using sunlight. See what's inside the set, and then see how to wire three different types of electrical circuits: a simple circuit, a series circuit, and finally a parallel circuit.

How To: Construct a motion detector alarm system

Check out this video tutorial to see how to construct an alarm system, that's based on the principle of motion detectors, which work by touch. It's very useful to catch unpleasant visitors red-handed. So make sure your chocolate bar never gets snagged again, catch the bandits with a motion detector alarm! Or just keep you kids away from the birthday present closet where peeping is not allowed.

How To: Make a solar cell with a condom

Make a solar cell from a condom with this video tutorial. Solar energy is plentiful and better for the environment, so why not take an easily accessible commodity (like a condom), and use it to harvest the power of the sun. To replicate this hack at home, you'll need the following materials: 12 iron hairpins, 2 pennies (pressed before 1982), 2 electrical wires, 1 sheet of aluminum, 2 strong magnets, a condom, and mineral water. For more on making your own condom-based solar cell, watch this h...

How To: Make simple solar panels

Want to build your own DIY solar panels on the cheap? This video demonstrates how to make solar panels to power devices. The video explains how a solar panel works and how to connect it to a radio in order to power it. For more on this hack, including step-by-step instructions for recreating it yourself, watch this eco-friendly hacking how-to.