Category Archives: Engineering

Robotics Week and Upcoming Events

We are right in the middle of National Robotics Week, which runs April 6-14 and starts a string of events all over the country for makers of all kinds. We’ve listed a few upcoming highlights below:

You can look for events in your area on the National Robotics Week Events site and the Maker Faire Map site—feel free to add your favorites in the comments. We’ll be exhibiting at RoboGames and helping Super Awesome Sylvia show off the Watercolorbot at Maker Faire. We hope to see you there!

Field trip: 2013 Central Valley FRC Regional

Fremont in the pit

We spent this past weekend in Madera, California at the 2013 Central Valley FRC Regional, a FIRST robotics competition. We went with Firebird Robotics Team 3501 from Fremont High School, who we are mentoring and sponsoring.

840 frisbee in the air

The challenge of this year’s game, entitled Ultimate Ascent was to build a robot that could compete to score points on a team with two other robots by shooting frisbees into goals and climbing a pyramid structure while defending against an opposing alliance of three robots.

James Bond with Oddjob

The Firebirds named their frisbee shooting robot “Oddjob” after the James Bond villain who throws his bowler hat with lethal results. One of the green-shirted safety advisors at the event was coincidentally named James Bond, and he was a good enough sport to allow us to take his picture with Oddjob.

840 decapitation warning

We ran into a robot from team 840 sponsored by our friends at Skallops which had a wonderfully appropriate warning sticker on the frisbee shooter reading “DANGER: DECAPITATION HAZARD.”

Mascot Group Photo

We’re relatively new to the world of FIRST, which can be almost cult-like, with participants identifying themselves by team number like a code word or secret handshake. A smaller number means a team that was established earlier. Over the last 20 or so years, the organization has managed to channel the enthusiasm of teenagers which is normally directed toward athletes and celebrities instead toward engineering, programming, and building. The teams are fiercely spirited, bringing their mascots and supporters to cheer them on at competitions.  It is truly incredible to see this much energy directed towards a science and engineering event.

3495 Mindcraft sign

Robots are awarded more points for goals scored during autonomous play, and the highly competitive field is steered toward collaboration and mutual assistance by the alliance aspect. The teams work hard to make sure that their robot will be an asset to any alliance in the hopes that even if they don’t rank highly enough in qualification rounds to be a team captain themselves, they’ll be chosen by one of the alliance captains and advance to the finals. They actively share tools and materials with the other teams, as any of the other robots could be on their alliance during a given match. Parts request announcements in the pits are filled almost as soon as they are announced, although when we heard “Team #### needs an FTL drive” over the PA, we could only laugh.

One of the more visible ways we were able to share was with our yellow gaffers tape, which team 3495 used to make their engraved sign stand out with their team color. We were the beneficiaries of parts, too, with another team generously sharing a metal shaft when one of ours bent during a match.

mascot working in the pit

The teams are typically student driven, with mentors playing an advisory role, supporting the students as they work through problems of design, mechanics, building, programming, and team dynamics. The students work incredibly hard to design and build the robot during just six weeks allowed as the “build season,” and then during the competitions fine-tune, fix, and improve their machine. Even the mascot works just as hard on the robot as everyone else.

3501, 3970, 2643

Through a combination of determination, hard work and luck, our team came out of the qualifying rounds with the top ranking, and then made it all the way to the final game of the elimination rounds, with their ally teams 3970 and 2643. However, our friends from team 840, along with allies 295 and 1678 bested us to win the finals, 2 matches to 1, earning a spot at the championships.

Besides strict competition, there are additional awards and honors are given at these events to recognize technical ingenuity, good design and spirit. Our team received the Judges award, which was summed up rather accurately by one team member as being the award for “general awesomeness.” Congratulations to all of the participating teams, every one of which pulled off building a robot that could play an incredibly challenging game! Our team is headed next to the Silicon Valley Regional event April 4-6, but there are events every week all over the world leading up to the championships April 24-27 in St. Louis. All events are free and open to the public, so get out and cheer on your local robots!

If you have a chance, find a way to mentor, sponsor, or otherwise volunteer to help out your local robot team or competition.  FIRST, and its several associated programs directed at younger students, are some of the best ways that we have to inspire youngsters to pursue careers in science and engineering.  And that’s something that benefits us all.

From the mailbag

Michael wrote in to say:

I ordered a Bulbdial Clock kit from your company on Wednesday Feb 7, 2013; it was waiting for me at the door on the 9th. Suffice it to say that I was extremely pleased with the rapid shipment of the product.

Following the html instructions I was able to assemble the project without errors the first time and got a working Bulbdial clock in about 2 hours (my whole family thinks it is cool).

Once again thanks for being there for an old kit builder.

Thanks, Michael!


Doomsday Atomic Alpha Clock Five Project

From the complete overkill department, evilandy posted in the forums about his project which hooks up an Alpha Clock Five to a GPS module, a WiFi module, a WWVB Atomic radio receiver, two TXCO RTC modules and two microcontrollers because, well, we’ll let him tell you:

I wanted a clock that would display precision time and date in “all” worst case scenarios. If this clock does not show the precise time then it’s time to gather up food, water, ammunition, and the family and head for the underground bunker!

The keyswitch, fire button, and covered toggle are nice touches. Thanks for sharing your project, evilandy!

Lego and Arduino Projects Book

Our friends John Baichtal of Make Magazine, and Adam Wolf and Matthew Beckler of Wayne and Layne have recently released their collaboration, Make: Lego and Arduino Projects, with a forward by our other friend, Erin RobotGrrl Kennedy.

If that all-star cast isn’t reason enough to check it out, the book is about combining Lego and Arduino, key gateway drugs into engineering and electronics. To accompany the book, they’ve created Bricktronics, a library for use with Arduino and Lego and a set of accessories to help with the physical interfaces, including a shield that allows you to plug your Lego NXT accessories into your Arduino. In an article over at Make, John points out that models and code from some of the projects from the book are up on github, so you can already get started playing.  Neat stuff!

GPS time on the Alpha Clock Five

assembled  Alpha GPS 15Alpha GPS 5  Alpha GPS 13

William Phelps recently wrote to us with alternative firmware for Alpha Clock Five, our oversized alphanumeric LED clock/data display kit. His firmware adds two very welcome features: Automatic daylight saving time (DST) correction, and automatic time setting via a GPS module.  It works remarkably well.

Here, we’ll show you how to hook it all up and how to use it.
Continue reading GPS time on the Alpha Clock Five

Infra, a TV built from remote controls

Chris Shen‘s first solo show just opened at 18 Hewett Street in London, and he shared with us about his piece, Infra, built using a Peggy 2:

The idea was to build a infrared display out of old remote controls, using the existing infrared LEDs as pixels of a low-res display. 625 old remote controls are mounted in a metal frame connected by individual wires to a modified Peggy 2 that runs the whole installation.

The main change to the Peggy was to solder molex headers instead of LEDs: this is to allow the wires to be easily plugged in and out of the board which is necessary when dismantling and reassembling the piece. Yes, all 625 remotes are numbered so they can be removed from the frame for transportation! The current and voltage was also adjusted fo IR LEDs as opposed to visible LEDs.

While researching, the main thing I was looking for was the ability to play video (live) on a low-res matrix. I looked into various ways of doing this but once I found the Peggy 2 kit it gave me confidence to go ahead with building Infra because of the open-source nature,  existing work done by Windell, and Jay Clegg’s video Peggy mod.

I connect all the remote controls via 500 meters of speaker wire to the Peggy, held into the frame by a simple looped elastic band. The circuit is mounted to a sheet of acrylic as the circuit bowed with all the wire attached. Each remote had to be opened to solder the wire directly to the LEDs legs. The wire is then routed out through the back of the remote and closed back up.

Preparing all 625 remote controls was the most time consuming part, each was different and often not very clean especially once you get inside. Although looking at all of the remotes individually revealed another side to the project which I’ve documented through a small run of books.

Thank you to Chris for sharing about how you made your piece with us. His exhibit will be up through February 3rd, 2013, so if you’re in London, go see it soon!

DIWire Bender is open source

The designers at Pensa have released their fantastic homebrew computer-controlled wire bender, the DIWire, as an open source project, and have just posted on Instructables showing you how to build your own. The DIWire can take wire from a spool and automatically form it into arbitrary 2D or 3D shapes you have designed digitally.

We had a chance to see the DIWire up close and in action (and also to meet the folks behind it) at last year’s Open Hardware Summit and Maker Faire in New York.  The DIWire is exciting not just because of what it can do, but also because it represents the first of its kind in do-it-yourself CNC machines.

In the last decade, we’ve seen an explosion of DIY CNC mills and routers, and a separate explosion— at least as large —in so many now-familiar 3D printers.  But the DIWire represents a whole new class of DIY machines, completely different in function and form.  Will the next decade also bring us an explosion in homebrew CNC wire-EDM, water jets, embroidery machines, turret punches, and lathes?  We certainly hope so.

In addition to the instructable, documentation for entire DIWire project, including both hardware and software, is hosted at Google Code.

Art Controller Automatic Cat Feeder

Our friend Jonathan Foote, after a disappointing experience with a commercially available timed cat feeder, hooked up one of our Art Controller relay boards to an automated candy machine and posted about the project.

Jonathan says, “The resulting hack will reliably and elegantly deliver meals to my favorite pet.”

RoboGames Call for Entries Open

Last Rites and the Electric Boogaloo

RoboGames is now accepting registration for the 2013 competition which will be taking place on April 19-21 in San Mateo, California. Registration deadline is April 1. They’ve also put out a call for papers, demos and talks for the academic symposium with a submission deadline of March 16.

Another related— and very important —event to register for now is BarBot, which will be held in San Francisco on March 1-2. This cocktail robotics exhibition is an amazing amount of fun, and serves as a fundraiser for RoboGames. Registration ends on February 22 for BarBot entries, so it’s now time to get to work on your advanced fluid handling systems!

Robogames 2012-3

At RoboGames, robot builders are rockstars and heroes. It’s one of the few places in our society where engineering and technical ingenuity is exalted in a way that is usually reserved for sports and movie stars. It is open to anyone to participate, and the community of robot builders is incredibly welcoming. They provide huge amounts of information and advice to new and experienced robot builders. There are over 50 different events to compete in, so there is a robot type for everyone.  And it’s not just combat: There’s robot soccer and sumo, navigation and weightlifting, painting and climbing, firefighting and hockey, maze solving, and the all-important bartending event.

IMG_0798

If you have ever thought about building a robot, now is the time. Build your bot and bring it to RoboGames, and maybe soon you’ll be the one autographing robot parts for admiring fans!

Update 1/23/2013: BarBot tickets are now on sale!

Photo credits: Last Rites and the Electric Boogaloo by Annie Blumenberg (CC-BY-ND), Yellow art robot by Patrick Giblin (CC-BY-NC).