I remember how fast my Nexus 7 was the first time I turned it on. Boy, do I miss it. Now my tablet is pretty buggy and crashes happen frequently, and I'm sure that goes for many of your Nexus 7s as well. Even if you upgrade to the new Nexus 7 next week, it will eventually develop similar issues.
Aside from being completely adorable, Fijibot is a completely autonomous robot that automatically seeks out light sources to charge his solar-powered battery. He's built from a 1.5 liter Fiji water bottle, packed with an Arduino Uno, 6 volt solar panel, and an Arduino Proto Shield. His other parts are all off-the-shelf gear you could grab at RadioShack, while the wheels are from a discarded RC car. Fijibot isn't a particularly useful robot, but it's still fun to watch him navigate from light ...
What if you could have a secret hard drive connected to your computer that only you could activate? You can! Samimy shows you how to hack a remote controlled toy car and make a super secret hard disk drive in your computer, accessed via a secret activation key. This hidden emergency HDD can only be controlled by your key, regardless of how many people use your computer.
In this tutorial, we learn how to make a somersaulting robot. You will need: a gear box, 1.5 v DC motor, battery holder for AA, and a few gem clips. First, glue the gear box onto the battery holder and then glue the motor shaft in. Next, glue the gem clip on the pistons of the gear box. From here, add a broken eraser to the gem clips. Next, add another jumbo gem clip to the motor and you will get to play with it! This is a fun little robot to play with, enjoy using it and making it do tricks!
In this tutorial, we learn how to make Splinter Cell prop goggles. You will need: goggles, a saw, pipe, a brush, black paint, duct tape, batteries, chop sticks, glue, a ruler, and a pen. First, mark three cuts on the pipe to 3 cm and 5.5 cm. Now, use the saw to cut these. Then, use sandpaper to smooth all the edges. Next, place these onto the goggles and glue them with a hot glue gun. Next, grab two batteries and wrap them in duct tape. Place these with them and then paint these all black. Af...
This video tutorial belongs to the Electronics category which is going to show you how to reset the Blackberry Bold 9000 / 9700 with three methods. In the first method you hold down the Alt key, the Caps lock key and hit Delete. Your Blackberry will start resetting. This process will take about 2 minutes to complete. The second method is the double reset. Hold down the Alt key, the Caps lock key and hit Delete twice. This method is helpful if your Blackberry is frozen. The third method is cal...
Want to make a simple electric motor at home? Andy and Mike show you how in just a few easy steps, using a block of wood, two paperclips, a AA battery, some insulated copper wire, and a magnet. This is a fun and simple science experiment that anyone can do at home. Wrap the wire seven times into a circular coil, with the enamel stripped off at both ends. Place the battery between the two paperclips, which serve as conductors and also hold the coil in place. Place the magnet below and between ...
Alishanmao demonstrates on a Honey Bee King 3, how to change the pitch and speed. Using the radio knob in the controller you can change the pitch of the main rotor. Make sure your 3D switch is off, that your throttle is at zero, and after connecting the battery, do not move the battery until you here it beep to confirm it is ready. When pitch is at its minimum you will have less rotation speed and at its maximum you will have a higher rotation speed. The best thing to do is to try and find a ...
This video shows the correct procedure to dismantle a first generation iPod Nano. The presenter starts by using a putty knife (aka the iPod take apart tool) and separates the casing. Next, the presenter removes the battery from the internal circuit board by using a soldering iron to melt the soldered battery connections. A small Phillips head screw driver is then used to remove three screws from the logic board. Finally removing two small ribbon cables will free the logic board from the plast...
This video from Powerbook Medic teaches us how to take apart a 3rd generation iPod. First step is to use a putty knife or a flat head screwdriver to break apart the two pieces. After that remove the headphone cable and set the bottom pan aside. After this, you disconnect the hard drive, and battery cable form the board. Then use a T6 screwdriver to unscrew the T6 screws which are holding the board in place. Then take the last cable away. Now you can take the board out as well as the battery. ...
Opps! Left my lights on again. Luckily watching this video by Eric the Car Guy will help you learn how to jump start you car and get you ready to get back on the road without waiting for AAA. This video with clear instructions show you the safe way to jump start a car from another car. You'll learn how to attach the jumper cables and get the battery to recharge the right way. Eric will help you get your car running and back out on the road in no time!
Picture this: the infrared sensor on your TV is not working and you are blaming it on your remote control batteries. Well, to make sure exactly what is going on, try testing TV remote to be sure. To the naked eye, you might not be able to see the infrared light, so you could think it's dead, but try filming with your camera phone or digital camera, which could pick up the IR signal.
This video will help you diagnose and troubleshoot on a basic level, your electric kit. I get asked alot "please fix my rc" and the main issue is that people do not understand how their rc works. While using a multimeter, I will show you how to diagnose battery batteries bars, esc, receiver, antenna, radio on crystals 2.4ghz synthesized modulation motor brushless bl brush less brushed transmission slipper gears pinions cvd dogbones dog bone wheels pins hex and other aspects that will not allo...
Watch this video tutorial to see how to make extremely simple scales. This scale is useful when you want to weigh small portions of a substance (like a few grams of powder). It is difficult to get real weight using these scales though. To make this homemade scale, you'll need a plastic bottle cap, a plastic bottle or box, a 9v battery, clear sticky tape, glue for the plastic (epoxy or fast-hardeneing), scissors and a screwdriver.
This is a short video tutorial of how to correctly remove the SIM card from the Palm Centro Smartphone. First thing you will have to do is remove the battery cover on your cell phone. Then, take the battery out. Right there is your SIM card access. You will need to remove the Stylus before attempting to remove the SIM card on the Palm Centro Smartphone. Just watch and learn to see how easy it is.
To make a glowing ice bulb, like the one in this how-to video, you need LEDs, batteries, wire, a balloon, and electrical tape. First, you connect the led to the wires. Then, you put the LED in the balloon, fill the balloon with water and freeze it. Once frozen, remove the balloon and attach batteries. Watch this video tutorial and learn how to make a glowing ice bulb from a balloon.
Microsoft is catching up by adding the revered dark mode feature to its suite of apps. The biggest name to get this treatment is Outlook, and it looks great. Dark mode is slowly rolling out, meaning only some people have it right now. So it's time to check and see if you have dark mode on Outlook.
IFTTT is an application that allows you to automate certain tasks on your iPhone or Android. It can communicate with a myriad of apps and services on your phone by creating applets that perform actions automatically — actions you'd normally have to do manually. Finding those applets, however, can be a little difficult.
The headphone jack is becoming outdated technology in smartphones — that's what many manufacturers would have you believe. For the convenience of the audiophiles out there, we recently published our list of all phones that have removed the 3.5 mm jack. But what did each company gain inside their flagship phones by removing this supposedly antiquated port?
One thing the whole Internet can agree with is that cats are cute and (sometimes) cuddly. But what those endless cat videos you find yourself watching for hours on YouTube don't tell you is that cats stink. While cats aren't the source of the smell, owning a cat means a stinky litter box.
With the new version of Android due out very soon, Android 5.0 "Lollipop" has received a ton of press lately. It's all well-deserved, of course, because the new "Material Design" interface is absolutely beautiful.
When your iPhone can't be found, Find My iPhone is a true lifesaver. When you use the feature, you can ping your iPhone and even see its current location on a real-time map. But what happens when your iPhone runs out of battery? Find My iPhone can't locate a dead iPhone, can it? You might be surprised to know it can, to a certain degree.
Now that you've updated your iPad, iPhone, or iPod touch to iOS 8, there's a lot of cool new things to explore. If you felt a little overwhelmed from all of the detailed information available in our Coolest Hidden Features of iOS 8 post, then I've got a simple breakdown of all of the new features available with quick links to their walkthroughs and pictures, if available. Watch the short video roundup, or skip below for the list.
There are a lot of things your Samsung Galaxy Note 2 can do straight out of the box, but there's also a ton of things it can't, or simply could be better at. That's why most of us end up rooting—to enhance the mobile experience.
Repairs Universe demonstrates how to replace the battery on an Apple 3G iPhone. First, remove the SIM card and remove the two screws from the bottom of the phone. Next, use a safe pry tool and run it along the phone between the bevel and the glass to pop out the screen. Then, slowly lift the glass. It will still be connected to the phone body with three ribbon cables. Popup the connectors on the cables one and two. Pop out the three connector from its jaw connector. Remove the digitizer glass...
Today's Tech shows you how to fix a cell phone or computer that has gotten wet or jammed. With a wet cell phone, you must act quickly or it may be permanently damaged. The first thing you should do after pulling it out of the water is to take the battery and SIM card out. Dry both of them off. If you drop it in a liquid that is not water, rinse them off quickly. If you have a vacuum cleaner handy, you can use it to suck the water off. You can also place the phone on top of your cable box. Wai...
Watch this video to learn how to unlock your Samsung phone. Power up the phone. It shows the boot logo. Take the battery out and insert T-Mobile SIM card. Turn phone on. Shows welcome. Confirm T-Mobile by dialing 611. To unlock phone: Take out the battery and SIM card. Put in an AT&T SIM card. Put the battery back into the phone. Turn on the phone. It says," wrong card". Dial *2767*3855#. The phone will reboot after 15 seconds. Screen says, "Welcome to T-Mobile". To keep service dial *7465625...
This is a recording of a class lecture on Voltage Sources. The first part describes how mechanical friction can generate voltages.
On August 1, Google Play started requiring new app submissions to target at least Android 8.0 Oreo's API. Then, as of November 1, all updates to existing apps were required target the same API. While at first glance, this change may mean little to you, it will have a profound impact on Android. Now, your favorite apps will be getting better.
One of Android 8.0's central themes was battery improvements. Google implemented background restrictions and a few other under-the-hood changes, but the biggest battery-saving measure was almost user-hostile: A static notification that tells you when any of your apps are running in the background.
The Snapdragon 820 and 821 were met with praise last year, receiving almost no complaints compared to their overheating predecessor, the Snapdragon 810. But now, all eyes are on Qualcomm to see what goodies they have in store for us this year, as their new SoC, the Snapdragon 835, will be revealed this week at CES 2017.
We don't know exactly what form 5G cellular technology will take, but it intends to bring faster Wi-Fi-like performance to mobile devices. While that'll provide major advantages to lots of connected technology, PC Magazine notes that it could be what augmented and mixed reality needs to become widely adopted.
Samsung's latest flagship devices—the Galaxy S7 and S7 edge—both sport an interesting new feature called Always On Display, or simply AOD. When enabled, this feature keeps the clock, date, and other bits of information visible at all times—even when the screen is off.
At this point, it'd be surprising if an iPhone release wasn't coupled with some sort of new scandal or controversy; it's gradually becoming Apple's new modus operandi. First, there was antennagate with the iPhone 4. Then it was scuffgate with the iPhone 5. Last year, it was bendgate with the iPhone 6 models. This year, it's chipgate with the iPhone 6S models, which affects something important to all on us—battery life.
Unlike the Moto X with its Active Display or the Nexus 6 and its Ambient Display, some devices (especially those now running Lollipop) do not include a function that permits the display to turn on upon getting new notifications while the device remains locked or the display inactive.
By default, any app that requests a certain permission can run automatically as soon as you start your device. Since Android doesn't offer a granular permission control system like iOS, this gets lumped in with all of the other permissions that you have to accept when you're installing an app from the Google Play Store, and you effectively have no choice in the matter.
Your Galaxy S5 is jammed to the brim with all sorts of electronic sensors. These are capable of reading humidity levels, ambient temperature, air pressure, and much more. Yet, while this data is constantly being collected by your phone, there aren't any built-in apps that are capable of displaying much of it.
How do you know if the Beats By Dre Studio headphones that you are about to buy online are genuine? Always ask the seller to use the youVerify app before you buy. Smarter Selling, Safer Shopping.
You've probably seen the classic fruit battery science experiment a thousand times, but I doubt you've ever seen it turned into an art project! Photographer Caleb Charland uses everyday objects like apples, coins and vinegar to create makeshift batteries, then takes these gorgeous long exposure photos. For the apple tree photo, Charland got about 5 volts for every 10 apples, so he had to wire 300 apples to power the lamp for several hours. He used a zinc-coated galvanized nail and copper wire...
If you ride your bike at night frequently, you've probably had at least one close call with a car, pedestrian, or some other moving obstacle because of reduced visibility. Not only is it dangerous to ride at night without lights, it's illegal in a lot of places. Make sure no one can miss you with these DIY handlebar lights from Becky Stern at Adafruit. What You'll Need
