Make: Volume 29
40: Meet Carol Reiley
A surgical roboticist who’s working to make health hardware
more accessible for everyone. By Todd Lappin
44: Air Guitar Hero
Drop the controller and shred songs using the electrical signals
from your arm muscles. By Robert Armiger and Carol Reiley
52: Pulse Sensor
A wearable device to give your projects a live heartbeat.
By Yury Gitman and Joel Murphy
57: Gateways to the Soul
Eye Writer and Eyeboard let people draw, write, and connect
using only their eyes. By Zach Lieberman and By Luis Cruz
62: See Inside Your Own Eyes
Four projects for an inside look. By Michael Mauser
68: North Paw and Heart Spark
Sensebridge makes devices that let people feel direction
and see their heartbeat. By Jon Kalish
70: DIY Blood Pressure Monitor
Make a tester that’s tough, smart, cheap and mobile.
By Alex Russell, Garrick Orchard, and Carol Reiley
78: Tacit: A Haptic Wrist Rangefinder
This ultrasonic “bat glove” lets you feel things at a distance.
By Steve Hoefer
82: We Have the Technology
A look at today’s DI Y personal health technology.
Experiment on yourself. By Dale Dougherty
12: Reader Input
Robot girls, DI Y View-Master, and Arduino hype.
15: Maker’s Calendar
Events from around the world. By William Gurstelle
16: Making Trouble
MEN TORing kids into makers. By Saul Griffith
27: Making Makers
Real tools for kids. By AnnMarie Thomas
28: Country Scientist
How to track the leading greenhouse gas.
By Forrest M. Mims III
31: Make Free
The half-life of stuff. By Cory Doctorow
2 Make: makezine.com/29
ON THE COVER
CAROL REILEY: “I’m interested in using robots
to train the next generation of robots.” Photography by
Garry McLeod. Styling by Yvette Swallow. Art direction
by Jason Babler.
ELECTRODE GUITAR: Build a system that lets
you play video games without pushing buttons.
PRESSURE’S ON: Make this chargeable,
portable, blood pressure monitor on the cheap.
Vol. 29, Jan. 2012. 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,
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