Circuit Board Articles

The agents of empire do not always arrive with warning. When you are besieged, surrounded, and infiltrated, imagination is often your best weapon against the oppressors. If all you have at hand is some duct tape and a disposable camera, fear not, you have the makings of a powe ...more

Valentine's Day is almost here, and if you're like me, you're scurrying to do something special for your mate. The standard chocolates and flowers just isn't cutting it anymore, and you can only make so many homemade cards before it becomes banal and meaningless. So, what can ...more

This panhandling robot isn't too proud to beg. In fact, it's custom-built for it. And who could refuse? Get a load of that puppy-dog eye. Creator Chris Eckert explains, "Gimme is a two axis numerically controlled sculpture that pans a room looking for people. Once found, the ...more

Now that you've mastered hand control, here's a new challenge for you. Try playing Mario using just your eye movements. The video below describes how the system works, and if you're feeling extra ambitious, scroll down for two HowTo videos, paired with (1, 2, 3, 4) build detai ...more

I already had a mishap shooting my Canon 5d MII tethered....I broke my circuit board because of the stress that a USB cable causes the camera. I wish Canon went with their 1ds route and made a positive locking device, but alas they have not. So the best alternative I could fin ...more

Hacked Gadgets recently featured Csaba Bleuer's LED wave display, a device that projects LED messages midair. Bleuer had also previously created a similar device that spins on a fan motor. "Csaba Bleuer sent in some pictures and a video of his new creation. It is a LED Wave D ...more

Tim Fishlock’s piece entitled What Watt? showcases 1,243 suspended retired light bulbs, the center illuminated by one low-energy fluorescent bulb. Beautiful eco-friendly design. Says Fishlock, "What Watt? is a memorial to the incandescent lightbulb. It’s a spherical chandeli ...more

What do you get when you take a run-of-the-mill kitchen knife and add a simple synthesizer circuit? Behold, the Syntheslicer! Creator Jonathan M. Guberman writes: The Drawdio is a toy that attaches to a pencil and uses the conductive properties of graphite to make noise from ...more

Cell phone jammers, a DIY endeavor for the darker crowd. I'm pretty sure we've all considered having one at some point: whether the obnoxiously loud woman next to you is announcing private bedroom stories to a crowd on the subway, or your kids are grounded from using the phone ...more

With portable devices being a necessity in modern everyday life, they may be subject to overuse, improper charging, or normal wear and tear. For those people who carry around their smartphone or iPod with them all of the time, how many times have you been out and about just to ...more

It's no secret that water and electronics don't mix well, but somehow, people always manage to combine the two. I've had my fair share of water-damaged electronics, everything from cheap headphones to a desktop computer. My devices are getting dunked in water so much, it's lik ...more

I can't believe it, but I've actually read about dozens of people getting their iTouch, iPhone, or iPad stuck in a bricked recovery loop and then going out to buy a new one. This is overly unnecessary. When it gets stuck in the recovery loop, some people mistake themselves by ...more

If you're lucky, your digital camera has a built-in intervalometer that lets you operate the shutter regularly at set intervals over a period of time. Why would you be lucky? Because you can create some very awesome time-lapse videos, like the horribly beautiful eruption of a ...more

I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guita ...more

Creating any object you want is as simple as point and click if you have a 3D printer at home. If you don't have one handy, there are a few companies that offer printing services online. But to help services realize your design in extruded plastic, you have to make a 3D comput ...more

I love making my own printed circuit boards. It really gives a professional look to a finished project, and having all the design files means I can whip up another batch whenever I need to. However, when I need to make, say, three thousand swarmbots or fill an order for a doze ...more

Dreams are like an internal human holodeck. Inside your mind, anything is possible, from your grandest wishes to your worst nightmares. This is all well and good, but what if you could control your dreams and become the omniscient god of a handpicked reality whenever you go to ...more

Computer viruses are terrifying. They are undetectable, dangerous, and operate constantly right under your nose. For the average computer user, there are only a few repair options. You could buy expensive antivirus software that causes more problems than it fixes, you can wipe ...more

Since the invention of the mechanical clock, enclosure of the commons, and proletarianization of labor, the alarm clock has been the bane of our existence. While not actually evil, it does represent the constant and uncompromising glare of our owners shaking a patronizing fing ...more

Despite the controversy over Scrabble Trickster across the word world, Mattel's modern take on the classic crossword board game is out in stores— but not in the United States. It's only available in and around the UK, but you can snag your copy just in time for Christmas from ...more

If you haven't noticed yet, I've started dishing out some "Scrabble Bingo of the Day" articles that showcase interesting and somewhat unusual seven-letter words (or longer) that could give you an extra 50-point bonus on the board, as long as you empty your rack. So, for this w ...more

My father recently suffered a stroke. Now in Neuro Rehab at Cedars Sinai, he is enduring daily physical therapy, recreational therapy and occupational therapy sessions to help improve his balance, mobility and fine motor skills. I was initially worried about how I could incorp ...more

WonderHowTo is made up niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. This week: mathematical sculptures, burning Xb ...more

Whether you're job searching, networking, or just giving your information out to someone you just met at a bar, this circuit board business card made by Brian Carrigan will make sure no one ever forgets meeting you! Sure, you could buy a customized USB business card on some on ...more

Inductive charging has been around since the days of Nikola Tesla, but it has yet to be integrated into a lot of popular devices. This is partially because it's slower and more expensive than methods that involve direct contact. These criticisms may be valid, but DragonDevs m ...more

For those of you who are as unlucky as me with your Pineapple and need to re-seat or replace the aerial connector this will show you how. Step 1: Open the Case To open the case we need to remove the two feet on the base of the unit, they will likely be located underneath. In ...more

These instructions are applicable to both bObsweep models. Follow the video or text descriptions to replace the disinfecting UV lamp on your automatic vacuum. This walk through includes: opening bObsweep, removing the main board, replacing the UV lamp, and putting Bob back to ...more

In the technology space, there are certain brands you grow to depend on. Whether it's due to a long, multi-decade track record of success, or new innovations that blow you away, some tech names accrue a rare kind of brand equity with users that's difficult to earn. That's why ...more

bObi has four floor detection sensors on her underside that warn her not to drive over ledges and stop her from falling down stairs. For this replacement, you will need a Phillips head screwdriver and a new set of ground sensors for bObi. Video: . This repair may help if bObi ...more

[community/members/babblin5/ Babblin5] is a tenacious tinkerer. Here he shows us HowTo get a dead battery running again. How? Well, it becomes a bit involved as he splices together a cordless drill, voltage regulator, alligator clips, a circuit board and a hand crank. What w ...more

A faulty or broken thermostat can be one of the most annoying things to ever happen to your house. It's always too hot or too cold, and you can end up wasting money on your electricity bill. That's where Android Thermostat comes in. It's an open-source project that lets you ...more

Still have an old tape deck installed in your car? This nifty hack lets you upgrade to the digital age without sacrificing your love for cassettes. There's nothing wrong with some low-fidelity tunes in your car every now and then, but if you want to listen to the tunes on your ...more

A couple of months ago at the Black Hat security conference, hacker Cody Brocious gave the hotel industry a nasty surprise when he figured out how to hack the locks made by Onity that are used in millions of hotels worldwide. The reason his hack is so impressive is because it ...more

With just a Phillips head screwdriver and this walk-through, you can open and close any bObi robot vacuum. So long as you have a replacement wheel, follow these steps to install it yourself. Video: . Step 1: Unscrew the Appropriate Wheel The left and right wheels are held on ...more

The cell phone has come a long way. The very first "mobile devices" were made and used by the military in the late 1930s, with the first commercial mobile telephone service introduced by Bell in 1946. These devices were hardly what we'd call mobile today—some took up the whole ...more

Cassette tapes, much like the boombox, Walkman, and record player, aren't used much anymore. With the ability to put music on our smartphones, most of us don't carry tapes or CDs around because it now seems inconvenient. Looking for something to do with your old tapes? Instru ...more