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How To: Wire a 555 timer chip for PWM

This demonstrates how to wire a 555 timer chip for Pulse Width Modulation. Items used: solderless breadboard, 555 chip, 510 ohm resistor, 100k ohm variable resistor, 1 RGB LED at 20-25ma, wires, and 9v battery. And those vertical lines are what i mean in terms of what you can see only on the camera. You can see the led light of course without the camera.

How To: Build a PWN circuit to control power that can dim an LED, control a motor etc.

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.

How To: Make a harsh lead synth track with dissonance for hard techno in Reason 4

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.

How To: Play Led Zeppelin's "Stairway to Heaven" on ukulele

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...

How To: Perform the Aces All Again card trick

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...

News: Essential Phone Comes with an LED Notification Light — And It Better for That Price

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...

News: Sony Develops New HDR Camera Sensors for Self-Driving Cars

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.

How To: Spot a Heavy Drinker with Eye Contact

Did you know that your face shows others how much alcohol you drink? Whether you've never had a sip of booze with those around you or you're known as the party animal of the group, the genes that shape your appearance also show others just how much you enjoy liquor. Pinpointing the big drinker in any setting is easy to determine: you just need to make eye contact.

How To: Form a Makeshift Roasting Rack Out of Foil for Crispier & Healthier Oven-Cooked Bacon

There are so many kitchen gadgets that only do one thing. You can buy a special tool to strip the kernels off an ear of corn, de-stem your strawberries, or cut bananas into perfectly uniform slices, but that's all it'll do. It's easy to get carried away, and before you know it you find yourself designating an "everything" or "miscellaneous" drawer. Then there are the tools that have multiple functions, but you know you'd never use them often enough to justify spending the money. Unless you co...

How To: Tag your name using LED light throwies

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!

How To: Make light using a stepper motor generator

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...

How To: Create a simple scrolling LED display in After Effects

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.

How To: Make an Internally Lit Ice Sculpture with LED Lights

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!

How To: Change the LED colors on your Xbox 360 power brick

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 ...

How To: Play "Stairway To Heaven" by Led Zeppelin on electric

In this acoustic guitar video lesson, brought to you by RockGuitarPower, host Mike, will teach you how to play "Stairway To Heaven" by Led Zeppelin. As you follow along with him, he teaches you the progression of the chords used in the song, breaking down each part of the song, teaching you the chords and explaining the strum pattern and picking of the guitar riffs. This tutorial covers the intro, solo, and rhythm patterns used in the song, and illustrates the chords used in tab notation.