How does Nike+ work?

Question

The Nike+iPod Sports Kit is a device which measures and records the distance and pace of a walk or run. The Nike+iPod consists of a small accelerometer1 attached to or embedded in a shoe, which communicates with either the Nike+ Sportband, a receiver plugged into an iPod Nano, or directly with a 2nd, 3rd, or 4th Generation iPod Touch, iPhone 3GS or iPhone 4. If using the iPod or the iPhone 3GS, iTunes software can be used to view the walk or run history. Source

What type of RF communication is used between the device embedded in the shoe and the iPod? Could I create my own receiver and log data without an iPod?

http://hackaday.com/2011/04/19/eagerfeet-lets-you-scrape-your-nike-data-from-the-web/ — kenny, Jul 23 '11 at 00:32
Nike+ module teardown - http://www.sparkfun.com/tutorials/41 — Connor Wolf, Jul 23 '11 at 04:08
We're all just supposed to know what you think "Nike+" means!? — Olin Lathrop, Jul 23 '11 at 15:01
The question body should stand on its own and not rely on the title for important information. -1 for a poorly worded and lazily written question. — Olin Lathrop, Jul 23 '11 at 21:48
@Olin Being politer to new users might help encourage them in the right direction. — Toby Jaffey, Jul 26 '11 at 16:15

score 4 · Accepted Answer · answered Jul 23 '11 at 04:11

4

Sparkfun did a teardown of the Nike+ module here.

The Nike+ shoe dongle uses a nRF2402 RFIC and a PIC 16F688.

The receiver uses a nRF2401A and a ASIC.

And yes, sparkfun sells a USB <-> Nike+ receiver here.

_{I've basically scraped all this info from Sparkfun. Thanks, Sparkfun!}

answered Jul 23 '11 at 04:11

Connor Wolf

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How did I miss that on Sparkfun? Thanks for pointing it out. – Erik Jul 23 '11 at 07:46

How does Nike+ work?

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