PowerBook Medic is the ultimate resource for Mac computers and electronics repair. They have helpful tutorials on most Apple products including the MacBook, MacBook Pro, PowerBook, iBook, iPhone, iPod, and more, covering topics from disassemblies, to RAM upgrades, to replacement hard drives.
Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast.
Watch this science video tutorial from Nurd Rage on how to restore silver with electrochemistry. You can restore old silver with aluminum foil or a battery by simple electrochemistry.
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...
This video covers the steps for creating USB Christmas lights. Take battery powered Christmas lights and convert them to USB powered to decorate your office. Take apart the battery casing. You have to rewire this. You also need to cut open a USB cord and do some soldering.
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.
PowerBook Medic is the ultimate resource for Mac computers and electronics repair. They have helpful tutorials on most Apple products including the MacBook, MacBook Pro, PowerBook, iBook, iPhone, iPod, and more, covering topics from disassemblies, to RAM upgrades, to replacement hard drives.
PowerBook Medic is the ultimate resource for Mac computers and electronics repair. They have helpful tutorials on most Apple products including the MacBook, MacBook Pro, PowerBook, iBook, iPhone, iPod, and more, covering topics from disassemblies, to RAM upgrades, to replacement hard drives.
Can you recharge non-rechargeable alkaline batteries? Yes you can! Gary Cutlack from techdigest.tv risks chemical burns to demonstrate.
Lost in the wilderness? Did you forget your emergency personal beacon (EPERB)? Learn from the BBC how to start a signal fire using your car battery and a piece of wire wool. Let's just hope you have a car . . .
Emeka Okafor teaches you how to block a shot with timing and body control. Bobcats star center, Emeka is a fantastic defender and generally leads the league with blocked shots. Check out exactly how you can practice and perfect the shot block.
The Galaxy S20's Wireless PowerShare is a must-use feature. With even the base model packing a 4,000 mAh battery, you have more than enough juice for all your Qi-enabled devices. The default settings make it so that in certain situations, you may have to choose between your phone or wireless earbuds, but you can change that.
It's no secret that Google is all about AI. In their eyes, machine learning is the future of software development, and you can see evidence of this all over the last couple Android updates. They've used it to power all sorts of features in their Pixel phones, and they've even donated some of their AI smarts to AOSP for all Android manufacturers to share. But it looks like Samsung isn't exactly on board.
Technology ages rapidly. We're conditioned to refresh our iPhones every one or two years, and why wouldn't we? New iPhones are fast, and our old ones inevitably slow down, sometimes to an unusable degree. However, it turns out, there's something we can do about that, and it doesn't involve buying a new iPhone at all.
Google Play Services has been near the top of every Android user's list of battery-sucking apps for years now. It's a core system app, so you'd expect some battery drain, but for many folks, it runs rampant.
The Note 7 debacle taught Samsung an important lesson on cramming oversized batteries into their handsets, and they've applied it diligently to their Galaxy S8 and S8+. You might even say the company has gone a little too far in trying to achieve a balance between battery size and battery life, as it not only not only sets screen resolutions to 1080p by default and warns users about maxing out display brightness, but it also keeps close tabs on individual apps' battery usage.
LineageOS, the successor to the wildly popular CyanogenMod custom ROM, is adding an interesting new feature that could potentially save lots of juice when your battery is running low. When enabling "Extreme power saver" mode, which can be set to kick in automatically at 15%, you'll soon have the option of changing your kernel's performance profile as well.
Even with today's high-powered devices, battery life is still an issue. We, as users, have to almost habitually check the current battery percentage, because otherwise, we might end up draining too much in the morning, then get stuck with a dead phone at night.
Android's stock battery menu is pretty decent. You can see which apps have been using the most power, and you can tell when your CPU was awake or asleep, among other things. But a lot of times, battery-sucking services will get lumped under the generic "Android System" header, and even though you can see when your CPU was awake, you can't exactly see why.
Android Lollipop has an awesome feature called "Battery saver" mode that reduces power consumption through various tweaks in order to squeeze in an extra hour or two of standby time when your battery is running low. It does this by disabling background processes as well as location services and transition animations, so the phone is essentially running at half-throttle.
Many modern Android devices use a display technology called AMOLED. These screens differ from traditional LCD displays in that each pixel emits its own light, so a backlight is not required. Even better, when rendering a black element on the screen, AMOLED displays simply don't light up the associated pixels, meaning virtually no power is used. Since black pixels use little to no power on an AMOLED screen, more black pixels means lower battery consumption.
The new OnePlus One packs a 3,100 mAh battery that promises to last all day and night. While that will work for most, some of us don't quite know how to put our phone down and save some juice.
We've all been there. Rushing to find an outlet because your smartphone's battery is about to die and you're in the middle of uploading a picture on Instagram or something else of dire importance. Android's operating system shuts down automatically when ever there is 1% left in order to allow for a proper shut down, and so as not to mess with the calibration of the battery, extending its overall life.
Kip "Kipkay" Kedersha is known for his intriguing and clever how-to and prank videos, even when he teams up with MAKE Magazine. He will show you how to tweak, hack, mod, and bend any technology to your hacking needs. No electronic device, gadget, or household item can stand the test of Kipkay's hacks and mods.
Nobody likes a wasted battery. That's why it's important to make sure you close all of the running Android apps that you don't need. On the new Samsung Galaxy Tab, it's easy to eliminate those battery-draining apps via the Task Manager. See how to access it and how to clean up the mess!
This video explains how to build a robot with the basic ability to scribble on paper. The narrator gives website addresses for more examples on completed robots and various information on the subject. The Robot is built using a plastic cups and wooden sticks for legs and support. A motor is then attached to a wooden stick which is then attached to the top of the plastic cup. One nine volt battery is needed to power the motor. Once the battery has been attached to the motor you must attach the...
Here's another fun summertime craft for your budding engineer - make a spinning paper pinwheel or fan! You'll need a C-battery, a toy motor, two soda caps, a popsicle stick, foil paper, copper wire, a small sheet of foam, a sharp pencil, a hot glue gun and some safety scissors.
The starter on your car's health is directly related to how many amps it pulls from the battery. This video will show you how to use a multimeter to check volts going from the battery to the starter, and use an amp meter (don't use the multimeter for this part!) to check the amps at the starter.
For some homeowners, having a backup battery for their sump pump is important for making sure a loss of power doesn't cause a flood in the basement. And if you have yourself a standard new Basement Watchdog sump pump battery backup, before you can use it, you have to fill it up with the right amount of fluid. These batteries do not come with the fluid already inside, because it lessens the life of the battery. This video will show you the precautions and methods you should take in filling eac...
If you find yourself recharging your HTC EVO from Sprint more than once a day, you might find these tips from CNET more than helpful. In this video, CNET shows you how to maximize the battery life on your HTC EVO running the Android software. These tips can also be applied other smartphones running Android. Basically, you just need to stop programs from running constantly, like WiFi, Bluetooth, and GPS. And dropping the screen brightness can help, too. See all the tips to a bigger and better ...
This video shows us the method to make your laser pointer work with AAA batteries. Take a metal casing made of metal. In the video, we take a Duracell mini flashlight and remove the front and back part. Unscrew the top and back of the laser pointer and remove the batteries. Roll some aluminium foil and put it in the metal casing. Put the AAA batteries in the casing with positive side inside. Put the casing and the laser pointer together and the laser works. Bind the two together by two rubber...
In this tutorial, we learn how to save a cell phone after dropping it into water. First, dry the phone off as soon as it gets wet then remove the battery and SIM card if you have one. Now, dry the crevices and all small areas of the phone with a towel. Once you have dried the phone out completely, let it set for over a day and it should work again. If it still doesn't work, charge the phone without the battery in it. If the phone works, you just need a new battery, not a new phone.
This video by repairs universe shows viewers how to replace the battery in the 2nd Generation iPod Touch. The tools you will need for this project include safe-open pry tools and a small phillips head screwdriver. To begin, remove the screen by releasing several clips that hold it to the frame using the safe-open pry tool. Run the tool between the case and the glass along all edges. Gently pull glass off and pry off the digitizer. Next, remove the small screw in the upper corner, lift up the ...
This video demonstrates how to use a Nikon SD-80 Battery Pack with a Nikon SB-800 Speedlight. The first step is to identify the different power adaptors on the ends of the cable leading to the battery pack. This pack is powered with AA batteries. Remove the outlet plate on the SD-80 and insert the power cable into the SB-800 Speedlight. Then attach the communication cord to the Speedlight. Now place the Speedlight in the hotshoe of the Nikon camera and let the battery pack dangle or attach it...
Did you know you could create a battery by using a few items from around the house? Get you and your family "Hooked on Science." You need two electrodes, some wire and some lemons.
From Systm learn how to build a USB battery supply that can charge your cell phone.
In this video we manage to power a clock with nothing but two potatoes. In order to make this you will need two potatoes, a triple A battery powered clock, bare wire, galvanized nails, and leads, which you can find at radio shack. The clock is powered by the potato battery.
Hack the PSP or Playstation portable handheld game console. You need a Pandora battery, a 2 GB memory stick and a PSP. You are hacking the firmware of the PSP. You will turn the official firmware from the 3.80 into M335. You can downgrade if you have v 4.0 or higher firmware. Don't hard mod a battery, buy a second Pandora battery. This will take an hour to complete. Make a magic memory stick!
If you call yourself a hobbyist or a kid at heart, you know that remote-controlled vehicles are more than just fun. If you're a serious R/C man, you'll know all about doing everything to your model truck or car, like fixing wheels, vamping the pinion gears, waterproofing, troubleshooting, electronic diagnostics, setting up, programming and finally... racing. As much as you know about these remote-controlled vehicles, it will never be enough, you'll always be looking for more...
This is Chess Magic, folks. Watch this video tutorial to see how to checkmate your chess opponent more dramatically. Basic checkmates are presented with the aim of setting the stage for a fantastic idea of a more dramatic mate. Then, watch to see three fantastic positions with the corridor mate. Nobody said you had to be a chess Grandmaster. but you can't be an idiot either.
