Do you have an old uninterruptable power supply you're not using or that's broken? Most people have scads of them these days, and they contain all sorts of useful electronics parts, including all of the stuff to make a little batter charger, which you'll learn how to do by watching this video and checking out the circuit diagram here.
You have to be careful not to accidentally sew in a short circuit when you are working with connective thread. This tutorial shows you how to sew in a connection to an arduino, a buzzer and a battery on a glove.
Measuring the voltage of a piece of electrical equipment is a somewhat dangerous and complicated but necessary process if you want to do any sort of DIY electrical projects. This video will show you how to use a multi-meter to read the DC voltage of a power drill battery, with an emphasis on what you need to do to complete this process safely.
When the screen is dark, your iPhone is still checking e-mail. Watch this electronics video tutorial to learn how to really turn off your iPhone. This will help conserve the battery, and this how-to video will give you tips on how to make sure your iPhone is really off. This video is perfect for new iPhone owners.
If you're a geek, then this power pack will give you a total techgasm. The power pack allows you to charge pretty much anything you can fit into a 12 volt power jack in your car (where the cigar/lighter receptable goes). The power pack is a portable battery, so no need for charging your gadgets - like your cell phone - at home first before you head off to work.
Secretly shoot your voice across the room in stealth mode on a laser beam in this fun and easy project! Make Magazine and Kipkay present this cool spy trick. Build a simple laser communicator that transmits your voice across a room. You need an amplifier, radio, laser pointer, battery pack and a solar cell.
Light up your world with these beautiful and easy-to-make illuminated LED balloons. You will need:
Make your very own hydrogen (and oxygen) generator with a 9V battery, copper wire, and baking soda (or salt). Why? Who knows. Make sure to check your connections. For more information on this hack, including detailed, step-by-step instructions on assembling your own HHO generator, watch this how-to video.
TOUCHPAD HACK - This video tutorial shows how to transform a touchpad into a useful mini graphics tablet with some simple, everyday items. You will need a 1.5V battery, a small ball bearing, and a Philips head screwdriver. Watch this video tutorial and learn how to transform a touch pad into a miniature graphics tablet.
This confectionery hacking how-to video demonstrates that, with an electric motor, juice lids, battery and sugar, you can make your own cotton candy machine. Don't wait for a carnival or fair to get your next taste of sweet, sweet cotton candy. Watch this video tutorial to see this hack in action and to learn how to build your own bottle-cap candy floss machine.
This how-to video shows how to build your own electric motorcycle; a nice way to change from gas to batteries to save the environment. There is lots of welding, but the key to welding is dropping the piece and checking if it stays together. Spindles and sprockets must align and then you are set. Check out this video customization tutorial and learn how to convert a motorcycle to electric power.
Verizon Wireless has a data cap on the 4G LTE connection that the Motorola Droid Bionic uses to connect to the internet and download information from its apps. If you want to stop your phone from hitting these caps and causing you overage fees, you can turn off the 4G connection by looking at this guide. It will save your smartphone's battery life as well!
Kipkay shows you how to make a magic lightbulb like the magicians use. Great practical joke or prank. All you need is a couple of lightbulbs, an LED and some batteries.
OK master spy, it's time to get your lurk on. If you're going to be spying, you'll need to be able to spy at night. This video will show you how-to make your very own night vision goggles so you can keep up with your mark well after the sun goes down. You'll need a 9V battery, an infrared LED, some wire cutters, a small screw driver, and some wire with a battery clip. You can easily find your needed infrared LED in any old TV remote control. Try it, and make some home made spy gear today!
In the past, most mechanics ended up having to replace the speedometer head when a vehicle came in with a broken speedometer. Nowadays, there's a possible reset procedure that can be used, and it can be done by most car owners right at home.
This video tutorial is in the Computers & Programming category which will show you how to change the keyboard on an HP Pavilion laptop. First remove the battery and then remove the 6 screws in the battery cabinet. Now remove another screw as shown in the video. Open up the laptop and remove the panel located on top of the keyboard. Now remove the screws that hold the keyboard in place, slide out the ribbon connector and take out the keyboard. Then take the new keyboard, slide in the ribbon co...
In this clip, learn how to make super powerful 9 volt LED flashlights using things you most likely already have around the house. You will make these mini-lights out of things like batteries and scrap wires. So, dig around in your garage and see what you can find to get started building these useful, bright lights.
You've got your all-new nook ready to go, and you're going to curl up in bed and read. But, then the unthinkable happens. A frozen screen! Don't panic. There's an easy fix! Just watch this video as MommyNiri shows you how to unfreeze your nook by removing the battery. You'll be reading again in no time at all!
So, your children have the same old boring Fisher-Price Power Wheels that all the other kids on the block have. Do you really want your child to be like all of the rest? No, I didn't think so. Turn those miniature Power Wheels, Dumar or Peg Perego vehicles into a little bit of realism, if you can handle it. All it takes is a little modification and you'll be wishing you were five again. With a few simple hacks, your son and daughter will be burning rubber, jumping curbs and burying those othe...
Sit back and ride as G Word correspondent David Newsom finds out the benefits of an electric bicycle. Watch and see how to convert a conventional bike to a battery-powered riding machine.
Quarters are nice and silvery. What if they looked like a big penny? This video shows you how to electroplate metal objects, using just a battery, some copper salt, copper metal, two wires, and a quarter.
Use a cell phone, batteries, CD, card, tape, and a dime to make a playing card magically jump.
If running out of battery while out and about weren't bad enough, the experience is a lot more painful if your iPhone has a semi-untethered jailbreak. With that kind of jailbreak, when the iPhone dies, all of the mods will be disabled after the device powers back up. Fortunately, instead of restoring your jailbreak and tweaks manually after recovering from a critically low battery, you can avoid it altogether.
If waveguide display maker DigiLens has its way, enterprise businesses and consumers will soon be able to purchase smartglasses for less than $500 — as long as they can supply their own computing and battery power.
The ongoing war between Apple and Samsung fans will rage on once again. With the release of the iPhone XS Max, Apple has presented a stronger adversary for the Samsung Galaxy Note 9, released earlier. Both stack up well against each other, providing two of the best experiences on their respective operating systems.
Whether you're in high school or college, you no doubt will have your iPhone in your pocket all day long. To make your iPhone last the whole time and even help you out with your studies, these are the accessories you'll want to get your hands on.
Earlier this year, Nokia released the Nokia 8 Sirrocco overseas. The new device served as an upgrade to the 2017 model with a minor specs bump and a more modern design. However, HMD isn't done with the 8 series. A rumored Pro version is coming later this year that brings innovations the iconic brand is known for.
Huawei's push into the US market has by no means stopped, even despite the recent US government pushback. Huawei has already released their top-notch flagship device from 2017, the Mate 10 Pro, and a couple great budget and midrange devices. Their latest release offers an upgrade to a past release.
Huawei has been on a roll recently. They just became the second largest smartphone manufacturer in September, passing Apple and trailing only Samsung. Shortly after, they announced their new Kirin 970 flagship SoC to rival the Snapdragon 835, then followed that up by announcing the Mate 10 and 10 Pro. Well apparently, Huawei isn't done with announcements just yet.
The holidays are stressful. Between traveling, family, and dinner, Thanksgiving weekend can feel like weeks. Many families have traditions that make the days long, but some of us would rather curl up somewhere and watch our favorite shows. But all is not lost — our phones do so much for us now that they can help make the long stressful weekend much more bearable.
Razer, the company known for PC peripherals and laptops, is joining the smartphone industry with a new device. Rumors have been swirling since they announced an event on November 1 at 4 PM EDT, but now, we have our best look yet with a leaked promotional video before the actual announcement.
LG got in on the action at Mobile World Congress in Barcelona by unveiling its new G5 handset on Sunday, February 21st. It will be the first publicly available modular smartphone by a top tech giant.
The Nexus 6 is one of the few devices on the market that sports a 1440p "QHD" display. This means that the amount of pixels displayed is higher than almost any other smartphone, which sounds great on the surface, but is not without its drawbacks.
Android uses a set of permissions that apps can request to perform certain actions, and you're notified of these permissions each time you install an app. The problem here is the fact that you aren't given any built-in way to deny apps these permissions (although Danny just showed a workaround for this).
Apple is very tight lipped about their products, and their iPhone is certainly no exception, but when products depend on global manufacturing, it's nearly impossible to keep good secrets contained.
Can't decide between the Galaxy S4 or the Galaxy Note 2? There are advantages to both the Galaxy S4 or the Note 2, it all boils down to what your needs are such as screen size, battery life, and more.
Summer is here, and temperatures are rising. Instead of shelling out for an expensive new air conditioning unit, why not build one yourself with a few bucks worth of old computer parts?
There are several safety precautions and steps that you must take before you attempt to start or use a portable generator. Take a look at this guide to learn how to check the oil levels, connect the battery to the generator, and start the generator.
Make your clothing really light up! This tutorial shows you how to properly and carefully sew a connection to an arduino to some fabric, so you can incorporate some lightweight electronics into your next fashion project or battery operated costume piece.
It's not just for playing video games! Strap a Kinect to a Roomba and wire it together with an embedded wireless-N computer, a range finder, voltage distribution board and an external Li-Poly battery. And voila, you have your own custom made robot!
