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April 17 2012
How To: Fly With Homemade Electronics

Steve Hoefer, who has contributed several articles to MAKE, including the Secret Knock Gumball Machine and the Tacit Ultrasonic Bat Glove, has a good post on his blog about how to bring your electronics projects on flights without running into hassles with the TSA.
Communicate, don’t try to hide. This is what a TSA inspector sees when they open my luggage:
Clearly labeled and organized things, a concise letter to the TSA inspector, contact information (business cards inside of each box too). And a copy of Make magazine for good measure. The outside of my luggage is covered with high visibility retroreflective tape. It’s not trying to blend in.
Front and center is a clear, concise note for the TSA agent explaining what they’re going to find within. It doesn’t have to be complete, and shorter is better. But it shows you care about the same things that security agents care about. You’ll also notice that all of my crazy crap prototypes and tools are right on top where they’re easy for an curious inspector to look at. They’re labeled with what they are. I have my contact information prominent and in each box, just in case something gets mislaid.
How To: Fly With Homemade Electronics
April 12 2012
Honor the Exotic Pliers

Wire strippers?
On Brookelynn Morris’ video instructions for our zippy new Supercap Racer kit, YouTube user hevyAccel makes a thoughtful comment:
You have to be more PC! They aren’t wire strippers! They are “exotic pliers!”
Thank you, hevyAccel — you are absolutely right. I am using the term “exotic pliers” from now on!
(Check out the kit– these things are fun!)
Quick and Easy Drawbot For Kids


Artist Lorenzo Bravi ran a drawbot class for kids as part of the Minimondi Festival in Parma, Italy. His design uses a battery powered milk frother with pens velcroed to it, making some lovely Spirograph-esque art.
April 11 2012
Cool Shed/Playhouse in Boulder, Colorado
This week, I’m at the Conference on World Affairs in my hometown of Boulder, Colorado. Yesterday, I was on a panel titled “DIY: Hipster Economy” with three fantastic co-panelists Eric Wilhelm of Instructables, Tom Preston-Werner of GitHub, and Kiki Sanford of This Week in Science podcast and radio show. The panel was videotaped, and I will post it here when it becomes available.
On my way to the panel, I was walking down an alley in the University Hill area of Boulder and saw this cool 2-story shed / playhouse in a backyard.
April 09 2012
Announcing MAKE’s Hardware Innovation Workshop

The maker movement is a remarkable new source of innovation. We are starting to see what results from a powerful combination of open hardware + personal fabrication tools + connected makers. Sometimes this innovation is hard to identify in the excitement that surrounds Maker Faire. Yet at Maker Faire, you can find new products and new startups at various stages of development that you will see almost nowhere else. Business people tell me they come to Maker Faire expecting to have a good time with their family but unexpectedly walk away impressed by the creativity and innovation they find there. As the song says, “there’s something happening here.” Even now, the pace of development is quickening and the number of hardware startups is rapidly growing.
Tim O’Reilly has been urging that the opportunity is now to showcase makers as professionals who are starting new businesses and developing new products. So, I’m happy to announce a new business conference during the week of Maker Faire, taking advantage of the makers who are already coming to Maker Faire. Presented by MAKE, the Hardware Innovation Workshop will be held Tuesday and Wednesday, May 15-16, at PARC, a Xerox company, in Palo Alto, CA. (I’m excited to have PARC host us and this event because of its long history as a source of technology innovation.)
The Hardware Innovation Conference will present a number of hardware-related startups and review the major platforms and the new toolset for prototyping and personal fabrication. It’s an intimate setting to meet the leaders of the maker movement and understand how makers are changing the technology landscape, in much the same way that enthusiasts once helped to create the personal computer industry.
Our presenters will include:
- Massimo Banzi of Arduino, an Italian interaction designer and engineer who created this open source microcontroller. The Arduino platform has become the Linux of open source hardware and it is found at the heart of many maker projects.
- Carl Bass of Autodesk, a maker himself whose new consumer division, which acquired Instructables, is exploring the software and services needed by this emerging maker market.
- Jay Rogers of Local Motors is creating an open source car through collaborative design and he’s built a micro factory for assembly of these cars by the owners themselves.
- Ayah Bdeir of Little Bits is one of those non-traditional product designers who has developed a new educational product.
- Allan Chochinov of Core 77 is starting a new program called Products of Design at the School of Visual Arts in NYC, which is reshaping product design around what makers are able to do.
- Nathan Seidle of SparkFun Electronics runs one of the major suppliers for maker projects. He’s also a partner for makers who have the idea but not the factory to build a new product.
- Bre Pettis of MakerBot will explore the 3D printing opportunity in consumer markets. MakerBot is the Apple II of the personal fabrication revolution. Brad Feld of Foundry Group will tell us why he’s invested in Makerbot.
- Mark Hatch of TechShop, whose membership model for a community workshop has become a hub for hardware innovators.
- Bunnie Huang of Chumby and author of “Hacking the Xbox,” who understands how Asia’s manufacturing capacity might be tapped by makers.
Check our event website for full program details.
The lesson for us from makers is that hardware isn’t as hard as it used to be. It’s benefiting from the same forces that allowed open source to reshape the software industry and create the web economy. Makers are part of a prototyping revolution that is inviting a new audience to design and develop products. Open technologies and new collaborative processes just might change the face of manufacturing by making it much more personal and more automated. Unlike traditional manufacturers, makers are able to pivot easily to serve niche markets. In addition, larger companies are hiring makers and maker advocates to infuse their own teams with creative ideas and keep track of these new market opportunities.
The conventional wisdom is that Silicon Valley investors don’t like hardware startups, but that’s not stopping makers. We even see hardware startups raising capital from non-traditional sources such as Kickstarter. (Twine raised over $850,000.) This is causing some investors to pay attention. As an angel investor said to me recently: “Everybody’s just looking at mobile/social. I want to look at things outside that well-developed space and that’s why I’m looking at makers.”
Please join me along with Tim O’Reilly and the creative team of MAKE Magazine and Maker Faire for a program focused on maker-led innovation at a historic location in the Silicon Valley. Due to the venue, we are limited to 300 participants. If you’re coming from outside the Bay Area, you can stay for the weekend of fun at Maker Faire, May 19-20th.
Event: Hardware Innovation Workshop
Dates: May 15-16
Location: PARC, a Xerox company, Palo Alto, CA
Math Monday: Make Designs in the Snow
By George Hart for the Museum of Mathematics
If you are looking for a giant canvas on which to make mathematical patterns, how about fields of snow? Simon Beck has been stomping out giant patterns for years with just snow shoes. Here are some of his more mathematical examples: a Koch curve, a Sierpinski triangle, and the pattern of overlapping circles that everyone likes to make with a drawing compass.



All you need to make your own is some fresh snow and imagination.
More:
See all of George Hart’s Math Monday columns
April 06 2012
How-To: 30 kW Induction Heater

Instructables user bwang writes:
This Instructable will walk you through the construction of a high-power (30kVA) heater, suitable for melting aluminum and steel. Note that to take full advantage of this design, you will need a 220V outlet, at least a 50A single-phase one and preferably a 50A or 60A 3-phase outlet.
Obviously, one should read, understand, and be comfortable with the safety procedures before attempting something like this, but what an awesome tool to have. Using scavenged materials, he estimates the build cost $200. It’s an entry in Instructables ongoing EXTREME! Challenge.
IDEO Make-a-Thon



International “design and innovation consultancy” IDEO threw a cool-sounding hackathon:
Originally we thought of doing a hackathon. Then we decided to push the concept to its next iteration. How could we bring together multidisciplinary weekend project teams—not just software engineers and digital designers, but also industrial designers, architects, and problem solvers from different backgrounds? Could we create a new kind of design-driven collaborative event? Inspired by IDEO’s own maker culture, the DIY community at Maker Faire, and Silicon Valley hackathons, we decided to experiment with the concept. We called this prototype event a “Make-a-thon.”
The result was a unique London pop-up event that produced some truly original concepts and meaningful digital and physical prototypes. We hosted about 60 makers and hackers in the IDEO London studio—including 1/3 IDEOers and 2/3 UK creative community members.
[thanks, Dave!]
New and Awesome on Make: Projects
Here is a sampler platter, culled from the vast array of project tutorials available over on Make: Projects. Help Make: Projects grow by adding your own tutorials.
Take a Hidden Picture
Make: Projects user kyleclements details how he built a piece of artwork that is seemingly a blank canvas, but actually, there are IR LEDs hidden behind the canvas. The IR LEDs are arranged in a secret design that is revealed by taking a digital photo. The digital camera sensors pick up the IR light that our eyes can’t see.
Speaking Hand Puppet from Recordable Greeting Card
Using a recordable greeting card, Michelle Min made a hand puppet for a friend’s 2-year-old nephew, living far away in Korea. When the puppet lifts its right arm, it says “Bosung!” (the nephew’s name) and plays some music.
Solar Laptop Device Charger
Instead of buying a laptop charging case for $200, make your own using this tutorial from Make: Projects user Matthew.
Cord Curling
“Coiling is a very elegant way of dealing with the problem of unsightly slack cables.” Sean Ragan explains how to curl cord using a heat gun and water.
April 04 2012
GuitarExtended Uses Arduino and PD to Control Effects
GuitarExtended is a multi-effects system that can digitally alter the sound of a guitar using PD. The user has a box with multiple switches on it that change the alteration to the sound, and the variables of that sound are controlled using a homemade expression pedal with the help of Arduino.

One of the differences in this setup as opposed to other similar examples, is that the resulting tone is sweet and lyrical, as opposed to gritty and bit-smashed. Check out GuitarExtended’s site for more info and documentation.
More:
High Schoolers Build the Styrofoam Plate Speaker

Every year for the past few years, David Veloz Jr., a Navy engineer, has volunteered to facilitate an outreach program for high school students with an interest in science and engineering, and MAKE has donated magazines. The students always make a project from the issue we send, and this year, they made the Styrofoam Plate Speaker, originally published in MAKE Volume 12. David says:
Hi Laura, Hope everything is well at MAKE. We’re chugging along doing what we always do, making the Navy better. I just had the high school students visit a couple of days ago for my workshop/session. As always, I told them a bit about myself and what I do and what engineering is. Then we got started on the Styrofoam Plate Speaker project, which they were very excited about. I was so surprised at how smart these kids were. We were talking about how speakers work, we talked about current and copper and magnetic fields, and they followed along very easily and were able to answer all my questions. They asked me how to get the resistance of a wire, and we talked about surface area and integrals, they told me about divergence and convergence (Gabriel’s Horn, which I still have to look up), they asked about batteries and polarity and magnetic poles… they were a smart bunch. I was really impressed.
I let them know that MAKE magazine donated the magazines to them; I was surprised only a few students had heard of it. They were impressed and appreciative.
David is stationed at Port Hueneme, in southern California.
Veloz’ reports from past years:
2009


Glowie Easter Eggs
YouTube user DIYHacksandHowTos shows a s00p3r s1mpl3 way to make glowing Easter eggs for night-time hunts — just enclose an LED throwie (without any magnet) along with the candies in a plastic egg. Hopefully it will glow as bright as is shown in the video. As the father of two young children for whom consistent bedtimes are maintained, I don’t think a night-time glowing Easter Egg hunt would work for us, but I can imagine one for grownups offering a variety of treats.
April 03 2012
Mobile Optical 3-Axis Analog Joystick
Using visual markers embedded in an elastic button and some computer vision chops, researchers from Keio University have developed a unique 3-axis joystick that uses a front-facing camera opposed to the standard capacitive touch interface found on most smartphones and tablets. [via Technabob]
March 30 2012
Snapguide: New iPhone App for Makers

Daniel Raffel, creator of Snapguide says, “Snapguide is an iPhone app and web service for DIY enthusiasts who want to create beautiful, step-by-step how to guides on what they love. Whether you’re a backyard beekeper, professional chef or gardener extraordinaire sharing your projects with others has never been this easy.”
March 29 2012
“Same Old Article on Flying Cars” in The Economist
Dezso Molnar sent me a link to an Economist article on the promise of flying cars yesterday. He commented that it was the “same old article on flying cars.”
Dezso should know. He’s been building flying cars for several years. I asked him to comment on the article. He wrote:
The writer refers to a generation disappointed. Baby-boomers have enjoyed the blessings of technical advancement unparalleled in history, and together traveled trillions of comfortable miles in airliners. Comparatively, they put little effort into making aircraft more personal.
A complete infrastructure for flight already exists, people only need to join in. Look up — the skies are virtually empty. The rules of the air are international. English is the selected language. Easy. We just need a few people like Mr. Dietrich to start punching holes in the pervasive myth that vehicles that drive the roads on rainy days can’t fly when its sunny. They most certainly can, and there is value in that.
And yes, the writer is correct, there have been some recent signs of progress, but to say the Transition is only a step on the way to a “true sky car that can take off and land anywhere”, is to say anything else is useless and dissuade development. The state of the art for any technology is what is now, and all improvements are stepping stones to the next one if people endeavor to go there. Has the auto industry progressed beyond the Model T, which burned gas that could run out, sat in long lines when the roads were full, required a license for the driver, had 4 seats and could get a flat tire? Not really. Perhaps it was good enough, and fortunately Ford did not wait to design a “true car”.
The good news is that the path is clear for flying cars to start traveling – no cel towers need to be built in support as for mobile phones, or steel tracks laid as for locomotives. As such, mass production is not required at this stage, just a fresh approach.
Learn more about Dezso’s fresh approach on his website
Spherical Robot Has Its Own Car
Skylar Castator of Boulder, CO, created a car for a Sphero robot (we mentioned it in our Alt.CES coverage this January) using the guts of a trackball, an Arduino, and an H-bridge
In the video, Sphero commands the toy car where to drive. It does this through a trackball similar to the one used in a computer mouse or in the arcade game of golf. Sphero sits on the trackball’s wheels and his weight and momentum cause them to move. The wheels have encoders that then tell the car what direction Sphero is moving by sending out x and y coordinates of the movement to the motors. Roll Sphero forward and the car drives forward. Roll Sphero to the right and the car turns to the right.
Skylar’s Sphero car intractable shows you how to make your own.
How-To: Build a HAMP Nerf Blaster
Our “Better Nerf Gun” in MAKE Volume 29 is a beautifully overengineered Nerf dart blaster that’s built by metal lathing, woodworking, thread tapping, and other labors of love. You’d be proud to display it on the coffee table or above your cubicle as a warning to would-be office assailants. But as soon as we published the project, we got blowback from the Nerfer community. Too hard!

Turns out there’s a wide range of easier DIY Nerf guns suitable for beginners, and with potentially longer ranges. The simplest of these is the HAMP (High Airflow Manual Plunger) — no trigger, just a big hand-operated plunger. Nerf nerd Daniel Seyler tipped us to the HAMP and its originator, KaneTheMediocre on nerfhaven.com:
Regarding the HAMP, it is one of THE most basic homemade Nerf guns possible. As it is not my design, I will refer you to the original nerfhaven.com post documenting the build. It is easily built in less than an hour for less than $10 in supplies! The only tools reqired are a drill and a saw.
Follow the link for an easy HAMP tutorial using PVC pipe, duct tape, and yarn, plus more videos and links to more complex guns that use the HAMP for propulsion.
We have the technology (to quote The Six Million Dollar Man), but commercial tools for exploring, assisting, and augmenting our bodies really can approach a price tag of $6 million. Medical and assistive tech manufacturers must pay not just for R&D, but for expensive clinical trials, regulatory compliance, and liability — and doesn’t help with low pricing that these devices are typically paid for through insurance, rather than purchased directly. But many gadgets that restore people’s abilities or enable new “superpowers” are surprisingly easy to make, and for tiny fractions of the costs of off-the-shelf equivalents. MAKE Volume 29, the “DIY Superhuman” issue, explains how.
March 28 2012
iOS-Controlled Robotic iPhone Platform Meets Kickstarter Funding Goal
http://www.kickstarter.com/projects/449163977/galileo-your-ios-in-motion/widget/video.html
Josh Guyot and JoeBen Bevirt, creators of the Gorrilapod flexible tripod, went to Kickstarter to fund their latest invention, called Galileo, an “iOS-controlled robotic iPhone platform with infinite spherical rotation capability.” It looks beautiful, and the Kickstarter price of $85 seems reasonable. I’m looking forward to seeing how makers incorporate the device into their own creations.
March 27 2012
Maker Faire Education Day and Educators’ Meetup
We have two terrific education events happening the Thursday before Maker Faire, May 17th.

MAKE and Intel provide a unique educational opportunity for grades K-12, a preview tour of Maker Faire Bay Area. Inspire your students at Education Day, a unique preview of Maker Faire Bay Area. On Thursday, May 17th, 2012, students get a sneak peek at some of our exhibits and workshops as Maker Faire is being set up for the weekend. Students meet and interact with selected makers, participate in activities, and get a glimpse of the setup process for this large-scale event. Learn more about Education Day field trips here. The event begins at 11:00am and ends at 2:00pm, with preview tours lasting 90 minutes.
Later that same day, Thursday, May 17th, from 4-7pm, we’re throwing an educators meetup. We’ll welcome teachers to the Maker Faire’s special pavilion showcasing some of the edtech ideas and tools that you can use to transform classrooms into 21st century hotbeds of learning by doing. It will be a grand opportunity to network with both educators and entrepreneurs exploring and celebrating learning in the digital classroom. We’ll have stations for building and exploring curriculum, kits and toys, and everyone will leave with a goodie bag. And it’s free! Tell us you’d like to come. (While your RSVP isn’t required, it will help us plan.)
Oh, and if you want a longer, professional development workshop experience, our colleagues at ISKME will be running their popular Teachers as Makers Academy June 26-27.
We’ll post updates to our educational offerings on our Maker Faire Education page.
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