Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimate the undead flesh of your deceased batteries and create a zombie battery.
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!
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 ...
This video instructs you on how to clean the trackball on the Blackberry Bold 9000. Begin by turning off your Blackberry and removing the battery. Using a torque T5 screwdriver, remove the 6 screws around the edge that hold on the cover. Remember that doing this will void your warranty. Once the cover is removed, use your screwdriver to lift off the circuit board. Be aware that the USB port can get stuck. If that happens just push the port down slightly and you should be able to remove the ci...
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 ...
Ever wanted to know how to make a fire with your cell phone? All you need is a cell phone, a brillo pad, and material for tinder. First take the battery out of your phone and find the positive and negative contacts on the bottom of it. Next tear off a chunk of the brillo pad, roll it up until you have a twisted piece about an inch long. Bend the steel wool over and touch an end to the positive and the other end to the negative contacts on the battery. That causes the steel wool to smolder--no...
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. ...
Austin from 'Best Buy Tips and Tricks' give out a mobile tip on how to extend the battery life of your Blackberry by using the Blackberry's built-in function called the automatic black light dimmer. This function changes the brightness of the back light automatically depending on the light intensity of the environment you use the phone. Activate this function as shown in the video so that your phone changes the brightness of your Blackberry screen to an optimal level depending on the environm...
The RV Doctor, Gary Bunzer, tells us tips on how to keep RV batteries in good condition. •If you stay in camp grounds a lot or leave the couch plugged in during periods of non-use, one of the things you need to know is the boiling out the electrolyte on the auxiliary battery.
MAKE and Collin Cunningham brings the do-it-yourself mindset to all the technology in your life. Make Magazine celebrates your right to tweak, hack, and bend any technology to your own will.
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.
Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you.
Google dropped several of the Pixel 4's more gimmicky features in favor of perfecting the basics on the Pixel 5. While you probably won't miss Motion Sense or the Assistant squeeze gesture, you'll definitely like the extra battery they packed into the space those features once occupied. Almost 50% more battery, actually.
|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcased as a beta back in March 2019, so we've been digging around in it for several months. There's one dramatic visual change, plus there are a lot of goodies in general.
Samsung's Galaxy S7 is an incredible piece of technology, but the Skype app that's preinstalled on some models may have some nasty issues, such as video and audio that freezes. Luckily, the fix for these problems is a simple one, although somewhat buried in the phone's Settings app.
Chinese tech company OPPO has been on the cutting edge of smartphone battery charging since it released its VOOC Flash Charge in 2014. Using VOOC, you can charge your battery from 0-75% in 30 minutes.
Jailbreak your iOS 4.2.1, 4.2 or 4.1 mobile device with Redsn0w 0.9.6b4! One catch: If you're using an iPhone 4, 3GS (new boot ROM), iPad, iPod Touch 3g or 4g, this will be a tethered jailbreak. That is, you'll need to rejailbreak your iOS device every time your battery dies. Which is a bummer. But, hey, jailbroken iPhone/iPod/iPad!
Tired of your old front entry doorknob? Get rid of it in lieu of something a little classier (and safer). A handleset is the perfect way to make your front door stand out, and this video will show you how to install one— specifically, Schlage Plymouth Handleset. You'll need a phillips head screwdriver, tape measure, battery drill, 3/8" drill bit and a Sharpie or other marking device. To see how to install the matching deadbolt, click here.
This video tutorial is in the Electronics category which will show you how to make a Beetlebot from your parts bin. The Beetlebot project can be found in Make Volume 12. You will need a couple of small motors, 2 momentary switches, 2 AA battery holders, a piece of metal, a small bead, 2 paper clips, heat ring tubing and a couple of connectors. Cut off two pieces of the tubing and using a soldering iron melt them over the ends of the motors. Hot glue the 2 momentary switches at an angle with t...
In this tutorial, we learn how to operate the solar powered vent system in a 2010 Prius. Prius models that come with a moon roof also have a solar powered roof. The control switch is on the left hand side of the steering wheel. With the ignition on and the switch turned on, you can exit and allow the ventilation system to start to clean the air out of the car. Since this doesn't rely on power, it will not drain your battery. This is not only eco-friendly, it's also great for your health and c...
In this tutorial, we learn how to choose which driving mode to use in the 2010 Prius. The Prius offers four drive modes: normal, eco, power, and ev mode. To activate the mode, press the appropriate button the center console and the light will appear in the center console. Now, you can press it again to deactivate it if you no longer want it on. The Prius has a driving range of 1/2 mile and can operate at 25 mph using light throttle. If the battery needs charging or the speed exceeds 25 mph th...
In this video tutorial, viewers learn how to jump start a car. When purchasing a jumper cable, don't purchase the cheapest set. It is also not necessary to purchase the most expensive. Begin by connecting the black cable on the negative terminal of the healthy car. Then connect the positive side of the red cable to the positive terminal of the healthy car. On the dead car, connect end of the cable to the positive side of the battery again, except this time you connect the negative end to a so...
In this Computers & Programming video tutorial you will learn how to replace a keyboard for Acer Aspire One 10.1 netbook. Disconnect the netbook from the power supply and remove the battery. You can use a small flat screw driver or a razor blade for replacing the keyboard. You don't have to remove any screws. You need to unlatch three tabs; one located above the f8 key and two on either side of the keyboard. With the razor blade unlatch the tab above f8, and then the two side tabs as shown in...
Repairs Universe demonstrates how to take apart the BlackBerry Storm 2 to replace the LCD. First, flip the phone over and take out the battery, SIM card and memory card. Then, use a safe pry tool to pry off the top and bottom covers which are held on by adhesive and clips. Next, use a T-6 screwdriver, remove the size screws on the front of the device. Flip the phone over and remove two more screws. Use the pry tool to release the clips and remove the outer casing. Flip the phone over and usin...
In this tutorial, we learn how to install a replacement LCD screen on a Blackberry Pearl. First remove the cover and battery from the phone. Then, you will take a tool and remove the clips from the left and right side of the back to remove the bottom. You will now find two more screws that need to be removed from the phone that are on the top. Once done, you will nee to pry open the top and bottom of the phone and take it apart. You can now remove the motherboard from the casing which is wher...
If you don't want to spend an extra $130 to get 3G for your iPad, you can use the app MyWi to tether your iPhone's 3G connection to your iPad. This video shows you the easy way to tether your iPhone's 3G or EDGE Data Connection to your iPad, or any other Wi-Fi enabled device. So skip paying the extra dough and get a 3G connection for free! Be careful, as this can drain your iPad's battery!
You can add full iso roms on your PSP to play on the go, for free! This video will demonstrate exactly how to download and enter full free PSP games onto our handheld.
In this home scientist video the instructor Robert Bruce talks about cheap sulfuric acid. He says that sulfuric acid is very important in any lab both as a reagent and a precursor for preparing other chemicals. He points to the battery acid saying that it is a good source of sulfuric acid which is 35% concentrated. Now he shows various methods to obtained sulfuric acid and shows how to test one of the thus obtained sulfuric acid for its concentration. In this video the author talks about sulf...
Warning: this video does not demonstrate the actual instructions for making this spooky Halloween LED light up pumpkin that blasts a truck horn. Check out http://blog.makezine.com/archive/2008/10/howto_tuesday_scariest_pu.html for more information and a complete build process. Learn how to make it with the text and image process step by step. Halloween fun!!
One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple maintenance on your automobile, but you may need a few tools. Invest in the basic tools and you'll be prepared for just about any car malfunction you can think of. These tutorials will help get you on your way, as long ...
This video tutorial will show you how to take apart your iPod Touch (iTouch) for repair and screen removal. Why? Because it's probably broken, that's why. Disassemble Apple's iPod Touch to replace the touchscreen, replace the battery, or do other minor repairs. Be warned that this tinkering will void your warranty, so maybe don't start messing around until it's your last resort. Check out this instructional video and learn how to take apart an iPod Touch for repairs.
This robot is BEAM bot inspired. First we build up the Motor Drive, an excellent and cheap Robot Bot-Base. We start with the Tamiya kit, get it going, then strap on a battery and a drag wheel, center the drag wheel. Tape it all in place with bright yellow tape and make a BEAM Bot with batteries. Plans for this BEAM framework are to add smarts.
Excited about experiencing blazing-fast 5G speeds on your iPhone 12, 12 mini, 12 Pro, or 12 Pro Max? Well, that brand new iPhone you just bought might not actually be using 5G, even when you see that 5G symbol in the top right. Unless you follow these instructions, your iPhone will use regular old 4G LTE more often.
OxygenOS is often described as one of the best skins for Android on the market. It's fast, clean, and has a ton of useful features that appeal to just about everyone. However, it's also faced a significant issue for the longest time — overly aggressive battery optimizations that frequently kill background apps, including Gmail services.
Mobile gaming has exploded in recent years, with experts predicting 2.4 billion global mobile players by the end of 2019. It already accounts for 47% of the worldwide gaming market, besting console and PC. No wonder we've seen the rise of gaming smartphones, a class of phones that specialize in mobile gaming.
Earlier this year, Samsung released the Galaxy J3 and J7 to select markets. These two devices are the latest in the J series, Samsung's super-budget series that tries to rewrite what it means to be a budget phone. Now, starting September 14th, you will be able to get them GSM unlocked.
The S9 and S9+ are both fantastic phones. However, there's no getting around the fact that the S9+ has its advantages. In fact, it's an objectively better smartphone than its smaller counterpart — Samsung has given the S9+ features not found in the S9, meaning you'll be missing out if you choose the 5.8" Galaxy over the 6.2".
It's tough to keep pace with Apple lately. As expected, only one day after the public release of iOS 11.2.5, the company released iOS 11.3 to developers. A day after that, Apple pushed it out to public beta testers, too. With new Animoji, more transparent battery information, Apple Music receiving music videos, and more, this update is the one to watch out for.
