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Build a Secret-Knock Gumball Machine
25
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ARDUINO REVOLUTION 41 Helicopter Rocket
Automatic Yogurt Maker Retro R t Skype Sk Phone Ph Trippy Night Light PLUS: Sous Vide Cooker DIY Beehive Code 72: Real-Life MacGyvers
82 Smart Gumball Machine 92
CAN $17.99
Sous Vide Cooker
US $14.99
HELICOPTER ROCKET 3 Hours, Start to Launch!
ISBN: 978-1-449-39398-4 104
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Volume 25
82 42: Getting Started with Microcontrollers Choose the right controller for your project and your skill level. By Tom Igoe
46: Vintage VoIP Convert a classic 1930s telephone into a Skype phone. By Andrew Lewis
52: Drag-n-Drop Arduino Programming Modkit makes microcontrollers easy for kids and anyone else. By Ed Baafi
57: Yobot: Precision Fermentation Build your own smart yogurt maker. By Chris Reilly
ON THE COVER: MAKE Production Designer Gerry Arrington and his son, Ethan, enjoy a day outdoors with our amazing $5 Heli-Rocket. Learn how to make one of your own on page 82. Photographed by Garry McLeod.
62: Primer: Make and Use an Arduino Build and program a microcontroller clone with no soldering. By Dale Wheat
Columns
71: Get in the Game
10: Welcome: The Little Engine That Could
Make all kinds of game controllers using an accelerometer or other sensors. By Tom Igoe
Largely ignored by the “big boys,” Arduino users are saying, “I think I can.” By Dale Dougherty
74: Micromania
11: In the Maker Shed: The MakerShield
Everything Arduino: resources, kits and parts, cool projects and people.
The ultimate open source prototyping shield for microcontrollers. By Dan Woods
12: Reader Input
57
Jailbreak catch-22, kids love robots, ladder logic, and space zillionaires.
13: Making Trouble Master the art of productive procrastination. By Saul Griffith
15: Maker’s Calendar Events from around the world. By William Gurstelle
16: Make Free: Untouched by Human Hands Here comes fake authenticity. By Cory Doctorow
26: Country Scientist Capturing and studying airborne dust, smoke, and spores. By Forrest M. Mims III
29: Tales from Make: Online The computer with 1,000 faces. By Gareth Branwyn
YOBOT: Automated yogurt making using an Arduino.
2
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Make: Volume 25
Vol. 25, Jan. 2011. MAKE (ISSN 1556-2336) is published quarterly by O’Reilly Media, Inc. in the months of January, April, July, and October. O’Reilly Media is located at 1005 Gravenstein Hwy. North, Sebastopol, CA 95472, (707) 827-7000. SUBSCRIPTIONS: Send all subscription requests to MAKE, P.O. Box 17046, North Hollywood, CA 91615-9588 or subscribe online at makezine.com/offer or via phone at (866) 289-8847 (U.S. and Canada); all other countries call (818) 487-2037. Subscriptions are available for $34.95 for 1 year (4 quarterly issues) in the United States; in Canada: $39.95 USD; all other countries: $49.95 USD. Periodicals Postage Paid at Sebastopol, CA, and at additional mailing offices. POSTMASTER: Send address changes to MAKE, P.O. Box 17046, North Hollywood, CA 91615-9588. Canada Post Publications Mai