Richpin demonstrates how to test an alternator with a standard multimeter. First make sure that the vehicle's battery is fully charged. Take the negative lead of the multimeter and put it on the negative post of the battery. Place the positive lead of the meter on the positive lead of the battery. Set the meter to DC voltage using the 20 scale and read the display to ensure the battery is fully charged. Next start up the vehicle and see what the alternator is producing. The display should now...
Many types of circuits are useless and less useful if you cannot control the amount of power going through them. For that, you need a PWN (pulse with modulation) switch. This electronic component will let your control the power going through the circuit, enabling you to dim LED lights, control the speed of a motor, and other useful tasks. This video will teach you all PWN switches and how tom make your own.
Nowadays digital and analog synthesizers can produce a nearly infinite number of sounds, and many of them sound terrible to most people. If you find yourself more in the Trent Reznor music camp though and love making dystopian, harsh sounds in your music, watch this video. It will teach you how to make a really harsh, dissonance filled lead synth track in Reason 4. Great for glitch, industrial, and other abrasive electronic styles.
Want to play Led Zeppelin's "Stairway to Heaven" on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this classic roc...
Learn how to do an amazing card trick that will impress your friends. The magician starts out with a quick example of a trick that everyone has probably seen and then leads into a more advanced card trick, called All Aces Again. He first performs the card trick then he shows us how the trick works. This particular trick takes a little preparation and no need to shuffle so that even a child with small hands can perform! Once the magician completes the card trick, he shows us how to lead into t...
The SSC P7 Flashlight is a tactical torch that's pretty bright at 900LM. But, it's totally possible to make it just a little brighter.
Android is all about customization. That's why it's entirely appropriate that Spark for Android's newest update adds a ton of customization options for your out-of-control email alerts. Now, you can add lights, sounds, and vibrations to notifications, and you can even set specific settings for all of your email accounts.
Samsung just announced the Galaxy S10 lineup, but we already knew each device's every nook and cranny. Thanks to leaks and hands-on demos, we know the OEM kept the coveted headphone jack, but omitted one treasured feature in its place — the notification LED. Why did Samsung strip the S10 of this light, and can users expect something to replace it?
Essential — the smartphone company started by Android co-founder Andy Rubin — is set to release its bezel-less smartphone before the end of June. The highly-anticipated phone is set to be stocked full of features, including an edge-to-edge display, magnetically-connecting 360-degree camera, rear fingerprint reader, and much, much more. One feature fans have been hoping for is an LED notification light. Today, we finally have confirmation via Twitter. For $700, the Essential Phone — LED notifi...
In the driverless race, technological advances can sometimes just add more tension to an already heated competition, if Waymo suing Uber over their allegedly stolen LiDAR technology is any indication. Now, Sony is offering a new camera sensor, one that should help self-driving cars "see" the road with much more accuracy than any other camera sensors available for vehicles currently.
As many of you know, I firmly believe that hacking is THE skill of the future. Although the term "hacking" often conjures up the image of a pimple-faced script kiddie in their mother's basement transfixed by a computer screen, the modern image of the hacker in 2015 is that of a professional in a modern, well-lit office, hacking and attempting to development exploits for national security purposes. As the world becomes more and more digitally-dependent and controlled, those that can find their...
LED throwies are cheery glow-dots you can make in seconds from simple components and stick to any ferro-magnetic surface. But that's just the beginning — here's how to hack and modify them.
Action figures may be on the way out as mainstream toys, but all your old ones are awesome, we swear. If you don't mind modifying your precious toys a little bit, check out this video to learn how to insert LED lights into plastic action figures and make them light up awesomely.
Pinochle is a card game with complex rules, strategies, and tactics. Here’s a game overview for new players.
Take a lesson in architecture from renowned architect Doug Patt by watching this video tutorial. If you want to learn about drawing and designing, without going to school, Doug's just the teacher. Watch to see how to draw and letter with lead like an architect.
Take a tour through the world of the light-emitting diode. Learn - who invented it, how to use it, and how to make your own.
See how to do electrolysis of water with graphite (lead from a pencil). The positive side has oxygen bubble, and the negative side has hydrogen bubble. Just get a 9V dry cell battery.
This week, Bre Pettis teams up with Mitch Altman and George Shammas to make a little 3x3x3 cube made of little LED lights that you can program with any kind of animation that you like.
A cool way to test a LED bulb emitter! Plug it in to your multimeter and see it light up. It's really cool!
This video tutorial from OzLabs will show you how power the one-watt high powered LED using 120 volt source using a 12 volt adapter.
This version of "The Rain Song" by Led Zeppelin is a wee bit shorter than their original (I left out the G F and C chords played in the middle ). I play it on my 2004 Jay Turser through a 1989 Boss ME-5 Guitar Effects Unit.
Learn how to play Jimmy Page's guitar solo from 'What is and What Should Never Be' by Led Zeppelin.
Watch this video to learn how to sharpen a lead knife. This is a good tip for people interested in making glass projects, such as stained glass, lampworking, etc.
Learn how to use a football drill that develops good timing between quarterbacks and receivers and helps the quarterback lead the receiver.
In this lesson you will learn various lead guitar techniques using an available jam track that can be downloaded from www.nextlevelguitar.com
In this tutorial you will learn how to lead for the ocho cortado Tango step and specifically how to lead a dynamic turn to the right in a close embrace. Pay attention to the way to use your feet on the ground, and the way to hold the embrace.
Wherever there are people, the party is sure to follow. Well, a party of microbes, at least. That is what scientists at NASA's Jet Propulsion Laboratory have found after a 30-day microbial observation of the inflatable lunar/Mars analog habitat (IMAH).
There are going to be tons of great Black Friday deals on electronics in stores like Best Buy, Target, Walmart, etc. But if you can't endure another holiday of standing in lines and running over people to get what you want, shopping on Amazon from the comfort of your own home is the way to go.
Whenever a new Android device is realized, the first thing I figure out how to do is to get it root access. Generally speaking, rooting has never been easier, with many one-touch methods like Stump and Towelroot available. But as manufacturers and carriers increase security with each new product, there is one tried-and-true root method that continues to work on most Samsung devices—Chainfire's CF Auto Root.
Most of the time, the LED notification light on the front of your Android device just sits there doing nothing. Other than that brief period of time between when you receive a notification and when you turn your screen on, it's practically useless for anything other than showing when your charger is plugged in.
While the Galaxy Note 3 and Galaxy S4 are enjoying their official KitKat updates, those of us with Note 2s are left to play the waiting game. While we know our devices will eventually see an update to Android 4.4.2 KitKat, it's unclear when an official update for our devices will come.
In this episode of Mike's Lab, we will be creating our own touchscreen! Video: .
This is a complex process, but the guys at Graffiti Research Lab have armed you with detailed written instructions and this video on how to create a night writer. This is a more complicated version of their LED throwies that allows you to catch a tag in lights. You'll never need an airpline skywriter again!
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.
Think you're knot interested? Knot for long! This little video will show you a clear and easy way to tie a 3 lead x 7 bight turk's head knot. This lovely little decorative knot is a joy to look at and a pleasure to give to friends as well. You'll need 4ft of 1/4 inch solid braid nylon. Knot so hard is it?
Jealous of thin as a rail models with those chiseled, sculpted cheekbones so sharp they could grate cheese? You need not be. We normal folk can look just as defined and ready to strut our thangs down the runway by learning how to contour our faces.
In this tutorial, we learn how to make light using a stepper motor generator. First, take the motor out of an old printer that you don't use anymore. After this, find a few LED lights. You will need to solder the LED lights, then connect them with a soldering iron to the printer motor. Now connect these to a generator, and the light should now shine so that you can see in the dark! This won't use any additional electricity, so you are helping the environment. All of the pieces used to make th...
This simple After Effects tutorial from Laurence Grayson will show you how to use CC Ball Action effect in AE to create a realistic scrolling LED signboard effect, like the ones you see at conference centers and football stadiums. Then end result can be altered to suit your project, and corner-pinned into a scene. There are no plug-ins required, and this method uses the standard toolset in CS3, CS4, and CS5.
Why not make the best of an icy cold winter day and make something even cooler? In this tutorial, you will learn how to make a natural ice sculpture in your yard and light it up with LED lights for a cool, nighttime effect. You will definitely have the best house on the block once you start lighting up your ice, so check this video out and get started! This project is super quick and cheap to create, too!
CIA360MODS teaches you how to change the LED colors on your XBox 360 power brick. You need pliers, tweezers, a screwdriver, a soldering iron and smds. Unscrew the screws from the power brick and then take out the fan from inside. Follow the schematics and use the tweezer to grab the smd. Solder your new smd where the old one was. If you remove the green one, you can add a blue one instead and only that color will change in the power brick. Remember to be careful when doing soldering and keep ...