IEEE Spectrum September, 2015 - 23
25 Billion: The numBer of Things
ThaT will Be inTerneT connecTed By
2020, according To garTner
A Kit
foR the
inteRnet
of things
IBM and
aRM teaM
up to Make
expeRIMentIng easy
RESOURCES_hanDS On
ust like pretty much every other tech outlet, IEEE Spectrum has been nattering
on for a while now about the coming Internet of Things (IoT). This is the vision of a world where
not only our PCs and smartphones are connected to the Internet but where nearly every
device that runs on electricity-fridges, scales, lightbulbs-has sensors, a small glob of processing
power, and a network connection. Makers have been building IoT-style gadgets for some time, but it can be quite fiddly to glue together all
the required bits of hardware and software. In a bid to make it easier for developers to get their feet wet and start experimenting with the concepts behind the IoT, IBM and ARM have teamed up to create the US $120 Mbed IoT Starter Kit, intended to be "a slick experience...particularly
suitable for developers with no specific experience in embedded or web development." On the hardware side, the Starter Kit consists of an
FRDM‑K64F microcontroller and an application shield that fits on top. Pin-compatible with Arduino boards, the FRDM‑K64F has an Ethernet
interface built in and is based on a chip with an ARM Cortex-M4 core that's capable of running at up to 120 megahertz (in comparison, the Arduino
Mega clocks in at 16 MHz). The application shield is equipped with a temperature sensor, three-axis accelerometer, RGB LED, five-way joystick,
two potentiometers, a loudspeaker, and a small 128- by 32-pixel LCD. On the software side is IBM's Internet of Things Foundation and its
Bluemix service, which lets you build and deploy apps for IoT devices. Initial setup was as easy as promised. I pushed the FRDM‑K64F and
application shield together, snapped in a live Ethernet cable, and hooked up a micro-USB cable to my computer to provide power. While the
J
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photograph by
Randi Klett
SPECTRUM.IEEE.ORG
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nORTh aMERICan
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SEP 2015
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http://SPECTRUM.IEEE.ORG
Table of Contents for the Digital Edition of IEEE Spectrum September, 2015
IEEE Spectrum September, 2015 - Cover1
IEEE Spectrum September, 2015 - Cover2
IEEE Spectrum September, 2015 - 1
IEEE Spectrum September, 2015 - 2
IEEE Spectrum September, 2015 - 3
IEEE Spectrum September, 2015 - 4
IEEE Spectrum September, 2015 - 5
IEEE Spectrum September, 2015 - 6
IEEE Spectrum September, 2015 - 7
IEEE Spectrum September, 2015 - 8
IEEE Spectrum September, 2015 - 9
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IEEE Spectrum September, 2015 - 11
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IEEE Spectrum September, 2015 - 15
IEEE Spectrum September, 2015 - 16
IEEE Spectrum September, 2015 - 17
IEEE Spectrum September, 2015 - 18
IEEE Spectrum September, 2015 - 19
IEEE Spectrum September, 2015 - 20
IEEE Spectrum September, 2015 - 21
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IEEE Spectrum September, 2015 - 23
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IEEE Spectrum September, 2015 - 25
IEEE Spectrum September, 2015 - 26
IEEE Spectrum September, 2015 - 27
IEEE Spectrum September, 2015 - 28
IEEE Spectrum September, 2015 - 29
IEEE Spectrum September, 2015 - 30
IEEE Spectrum September, 2015 - 31
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IEEE Spectrum September, 2015 - 35
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IEEE Spectrum September, 2015 - 40
IEEE Spectrum September, 2015 - 41
IEEE Spectrum September, 2015 - 42
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IEEE Spectrum September, 2015 - 73
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IEEE Spectrum September, 2015 - 75
IEEE Spectrum September, 2015 - 76
IEEE Spectrum September, 2015 - Cover3
IEEE Spectrum September, 2015 - Cover4
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