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SERVO MAGAZINE QUADPOD • TURTLEBOT - ROLL YOUR OWN • SENSORS • VEX in BIO & CHEM LABS May 2012 Full Page Full Page.Qxd 4/3/2012 4:01 PM Page 2 05 4 $7.00 CANADA $5.50 71486 02422 $5.50US $7.00CAN 0 U.S. CoverNews_Layout 1 4/3/2012 7:41 PM Page 1 Vol. 10 No. 5 SERVO MAGAZINE QUADPOD • TURTLEBOT - ROLL YOUR OWN • SENSORS • VEX IN BIO & CHEM LABS May 2012 Full Page_Full Page.qxd 4/3/2012 4:01 PM Page 2 TOC May12.qxd 4/3/2012 12:19 PM Page 4 05.2012 VOL. 10 NO. 5 06 Mind/Iron PAGE 24 20 Events Columns Calendar 08 Robytes 21 Showcase by Jeff Eckert 22 New Products Stimulating Robot Tidbits 24 Bots in Brief 10 GeerHead 64 SERVO by David Geer Webstore Boca Bearing’s Robot Contestants 81 Robo-Links — Part 1 Departments 81 Advertiser’s 14 Ask Mr. Roboto Index by Dennis Clark Your Problems Solved Here 67 Twin Tweaks by Bryce and Evan Woolley The Sensor Olympics 2 — Going the Distance 74 Then and Now by Tom Carroll Sensors for Mobile Robots PAGE 67 The Combat Zone... Features Events 30 PARTS IS PARTS: 32 TGIF at Motorama Product Review: Turnigy Simplex 1 - 4 Cell LiPo/ 36 Upcoming Events LiFe AC/DC Charger for the Ohio Robotics Club 31 Product Review: Spektrum DX5e 2.4 GHz Transmitter SERVO Magazine (ISSN 1546-0592/CDN Pub Agree#40702530) is published monthly for $24.95 per year by T & L Publications,Inc., 430 Princeland Court, Corona, CA 92879. PERIODICALS POSTAGE PAID AT CORONA, CA AND AT ADDITIONAL ENTRY MAILING OFFICES. POSTMASTER: Send address changes to SERVO Magazine, P.O. Box 15277, North Hollywood, CA 91615 or Station A, P.O. Box 54,Windsor ON N9A 6J5; [email protected] 4 SERVO 05.2012 TOC May12.qxd 4/3/2012 12:22 PM Page 5 In This Issue ... PAGE 48 PAGE 38 38 Sounding Off - Part 3 56 Using Advanced Sensors by Gordon McComb With VEX — Feel the Heat Learn how to add recorded effects to your robot by Daniel Ramirez using MP3 digital audio files. Did you know you can use VEX Robotics kits in chemistry or biology labs? Check out these 48 Building Maxwell: experiments using the temperature sensors. Mechanics, Electronics by Michael Ferguson PAGE 56 Take a trip back in time to witness the development and evolution of the mechanical and electrical side of a mobile manipulator. 52 Roll Your Own Turtlebot by Alan Federman With a little ingenuity and some recycled parts, you can get your own homebrew Turtlebot up and running. SERVO 05.2012 5 Mind-Iron - May 12.qxd 4/2/2012 10:19 AM Page 6 FOR THE ROBOT Mind / Iron INNOVATOR ERVO Published Monthly By by Bryan Bergeron, Editor T & L Publications, Inc. 430 Princeland Ct., Corona, CA 92879-1300 Medicine Meets (951) 371-8497 address the biological aspects of FAX (951) 371-3052 Virtual Reality challenges in the field — and that’s the Webstore Only 1-800-783-4624 I’m just back from the annual real point of this editorial. If you’re still www.servomagazine.com Medicine Meets Virtual Reality in school, get some biology and Subscriptions conference (www.nextmed.com) in anatomy under your belt. If you’re in Toll Free 1-877-525-2539 Newport Beach, CA. The topics college majoring in engineering, don’t Outside US 1-818-487-4545 discussed and demonstrated by think of biology as one of those P.O. Box 15277, N. Hollywood, CA 91615 engineers, students, military, and electives you have to take to graduate, PUBLISHER physicians ranged from mechatronics but attack it as part of your core Larry Lemieux and sensors, to wearable electronics and curriculum. It’ll pay off later. For [email protected] biomedical simulation. There’s nothing example, let’s say you want to build ASSOCIATE PUBLISHER/ like cross-fertilization with specialists surgical simulators. You’ll have to VP OF SALES/MARKETING Robin Lemieux from different fields to get the ideas understand how skin and other tissues [email protected] flowing. In addition to conferences such respond to cutting, tearing, and EDITOR as MMVR, there are pockets of focused pressure. Then, there’s basic anatomy. Bryan Bergeron activity in academia, the government, You wouldn’t want to design a surgical [email protected] military, and industry. For example, take robot that cuts right through vital CONTRIBUTING EDITORS a look at the US Army’s Telemedicine nerves and arteries to get to a wound, Jeff Eckert Jenn Eckert and Advanced Technology Research would you? Of course, you can’t know Tom Carroll David Geer Dennis Clark R. Steven Rainwater Center (TATRC) site at www.tatrc.org. everything about biology, medicine, and Kevin Berry Gordon McComb Not only is TATRC a showcase for robotics, but you need to be able to Michael Ferguson Alan Federman advanced technologies — such as the communicate intelligently with experts Daniel Ramirez Pete Smith use of embedded systems in healthcare in each field. Dave Graham Bryce Woolley Evan Woolley — but the organization is also a source If you’ve been out of school for a of funding and information. while and want to extend your CIRCULATION DIRECTOR There’s no question that carpet knowledge of robotics to healthcare, Tracy Kerley [email protected] rovers and crawlers are fun to design options range from online courses and and program. However, if you want to night classes at your local college, to MARKETING COORDINATOR WEBSTORE make a career out of applied robotics, I internships or employment with a Brian Kirkpatrick suggest you take a hard look at the company that’s already in that space. I [email protected] experimental and practical biomedical like the latter two options because you WEB CONTENT applications of haptics, embedded can make money while you learn. Michael Kaudze systems, and other technologies related If you can’t leave your current job [email protected] to robotics. You’ll quickly discover that or you don’t yet have the skillset ADMINISTRATIVE ASSISTANT all of the engineering courses in the required to land a job or internship, Debbie Stauffacher world won’t prepare you to adequately consider online learning. I don’t mean PRODUCTION/GRAPHICS random YouTube videos, but courses in Shannon Christensen Biology, Physiology, and even Medicine Sean Lemieux from established sources. I’m a fan of Copyright 2012 by Khan Academy (www.khanacademy T & L Publications, Inc. All Rights Reserved .org) which is supported in part by the Dear SERVO: Gates Foundation. You can learn topics All advertising is subject to publisher’s approval. We are not responsible for mistakes, misprints, Very nice article on the NEATO XV-11 in Biology, for example, at the first year hack Bryan did. I found out that or typographical errors. SERVO Magazine assumes protechrobotics.com does carry all college level. Another place to start is no responsibility for the availability or condition of the parts for the NEATO XV-11 robotic iTunes University which hosts podcasts advertised items or for the honesty of the in Biology, Chemistry, Medicine, and advertiser. The publisher makes no claims for the cleaner; the LIDAR does list at $299. legality of any item advertised in SERVO.This is the Maybe the prices might drop. related topics from Yale, Harvard, sole responsibility of the advertiser.Advertisers and Fred Miller Stanford, UC Berkely, and other their agencies agree to indemnify and protect the universities. I hope to see you publisher from any and all claims, action, or expense Thanks for the kudos and the arising from advertising placed in SERVO. Please important info for other readers. It's a presenting one day at MMVR or one send all editorial correspondence, UPS, overnight nice (neat!) robot. I hope the LIDAR of the other conferences that blend mail, and artwork to: 430 Princeland Court, price drops significantly, as well. traditional robotics and engineering with Corona, CA 92879. Bryan Bergeron medicine and biology. SV Printed in the USA on SFI & FSC stock. 6 SERVO 05.2012 Full Page_Full Page.qxd 3/27/2012 1:37 PM Page 7 Life with Robot! Not a dream anymore the masterpiece robot servo 24kgf.cm @ 7.4V >R]ILQ@ 'HYHORSHGZLWKWKHHDVHRIXVHLQPLQG+HUNXOH[6PDUW6HUYR6HULHVDUHWKHEHVWÒ*UHHQÓHQHUJ\ HIILFLHQWVPDUWVHUYRVLQWKHZRUOGZLWKORZYROWDJHKLJKRXWSXWDV\QFKURQRXVELGLUHFWLRQDO FRPPXQLFDWLRQDQGPRUHWKDQVHWXSSDUDPHWHUV 6SHFLILFDWLRQ '56'56 'LPHQVLRQVPP : ;PP ' ;PP + >LQ;LQ;LQ@ :HLJKWJ '56 J '56 >R] '56 R] '56 @ ,QSXW9ROWDJH9'& '56 a9'& 2SWLPL]HG9 '56 6WDOO7RUTXHNJIFP#9 '56 NJIFP#9 '56 >R]ILQ '56 R]ILQ '56 @ 0D[LPXP6SHHGVƉ#9 '56 VƉ#9 '56 2SHUDWLQJ$QJOH Ɖ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ongbu Robot Co., Ltd. www.dongburobot.com Headquarter : 11th Floor, Bucheon Techno Park 401, Yakdae-dong, Wonmi-gu, Bucheon-city, Gyunggi-do 420-734, Korea TEL : +82-32-329-5551(ext.311), FAX : +82-32-329-5569, E-MAIL : [email protected] Factory : 27, 6 Gil, 4 Sandan, Jiksan-eup, Seobuk-gu, Cheonan-city, Chungcheongnam-do 331-814, Korea, TEL : +82-41-590-1700, FAX : +82-41-590-1701 Robytes - May 12.qxd 3/29/2012 10:37 AM Page 8 Robytes Discuss this article in the SERVO Magazine forums by Jeff and Jenn Eckert at http://forum.servomagazine.com. No Humans Required It's no secret that the US military makes extensive use of unmanned aerial vehicles (UAVs) in a variety of shapes, sizes, and configurations. It is less widely known, however, that the Navy and Northrop Grumman have long been developing autonomous aerial refueling (AAR) technologies aimed at in-flight servicing of UAVs by other UAVs.
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