Embedded Systems Conference
Breaking News
Newest First | Oldest First | Threaded View
<<   <   Page 3 / 3
Frank Eory
User Rank
Re: Pravda means Truth
Frank Eory   9/27/2013 6:57:37 PM
I love my FitBit Zip and have been wearing it every waking hour for about 10 months now. It is indeed very motivational. Like Max said, I find myself going out of my way just to "get more steps." I also like that it integrates well with MyFitnessPal, which I use to track my exercise & food intake. That app is clever enough to subtract out the calories burned when you wear your FitBit while exercising, so there is no double counting.

I agree that consistency is more important than absolute accuracy. I always wear mine on my hip, and the few times I have checked it against a count of my actual steps, it has been within 1 step in 100. I'm perfectly happy with a 1% error.

For the ultimate gadget freak who is into monitoring diet & exercise, FitBit also makes a scale that has built-in WiFi, so your weight is automatically logged to your FitBit account. Of course, the scale is also clever enough to know whether it is me or my wife that has just stepped on it :)

User Rank
Recommended Placement
Garcia-Lasheras   9/27/2013 6:53:58 PM
@Max: you have empirically confirmed the Zipbit Zip wearing guidelines!! Bacon would be proud of his British fellow -- I'm talking about Sir Francis, not DW2013 chef ;-)

"Your Zip is most accurate when worn on or very close to the body. A shirt pocket, bra, pants pocket, belt, or waistband are all ideal places to wear your Zip"

User Rank
antedeluvian   9/27/2013 6:49:36 PM

The bottom line is that in each case (Fitbit clipped to shirt pocket, short center, pants side picket, and pants center), there was some amount of error in the step count. I found this to be a little disquieting. I'm a bit of an obsessive compulsive when it comes to things like this. You can call me old-fashioned if you will, but I do like my numbers to add up to the correct value.

I don't think you should monitor yor blood pressure then. My cardiologist tells me that he hates engineers as patients because they demand a level of accuracy that medicine cannot provide. My home blood pressure monitor takes 3 sequential readings separated by 30 second intervals. The cuff doesn't move. I am motionless. Yet the blood pressure can vary by 30mmHg across the 3 readings which it then averages. I can get a systolic reading varying from 150 to 120mmHg- from dangerous to normal. When am I supposed to worry (in increase by pressure even further)?

User Rank
Attach to leg?
DrFPGA   9/27/2013 5:04:45 PM
What happens if you attach it to your leg? As long as you are moving your leg...


Also, maybe you could attach it to a finger while you are typing...


Just a couple suggestions mind you...

Duane Benson
User Rank
Pravda means Truth
Duane Benson   9/27/2013 4:59:44 PM
I went to the FitBit website and decided that the FitBit Flex Wireless looks pretty cool because it's on a wrist band, tracks sleep quality, has a silent wake alarm and blinky lights. I know my sleep is lousy though, so I didn't get one, but I did notice that the FitBits are compatible with the RunKeeper website. I've recently (and independently) started using RunKeeper with my phone to track my exercise - mostly walking at the moment.

I expect that Truthtable would be concerned about the limitations of GPS precision when walking, and I do appreciate the potential for that concern. However, I've empirically determined that it works well, truthfully.

As far as any concerns about the FitBit go - I don't own one. Regardless, I do understand a thing or two about precision. There is so much variability in daily activity, that being concerned about even 10 or 20% error is really akin to measuring with a micrometer, marking with chalk and cutting with an axe. Given that, I'd have to truthfully say that Max's analysis of the FitBit is very helpful and totally, truthfully, appropriate.

What's more important is consistency. Try to position and measure the same way all the time as much as possible. Then you can compare relative to yourself. But, what? You say? You won't be able to compare yourself to anyone else?. Sorry, but, truthfully, you can't do that anyway with much precision no matter what the tool.

<<   <   Page 3 / 3

Top Comments of the Week
Like Us on Facebook

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

Teensy-Weensy GPAK4 Mixed Signal FPGAs
Max Maxfield
Post a comment
The vast majority of the embedded designers I know typically create MCU-based systems -- they rarely even consider using a Field-Programmable Gate Array (FPGA).

Bernard Cole

A Book For All Reasons
Bernard Cole
1 Comment
Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...

Martin Rowe

Leonard Nimoy, We'll Miss you
Martin Rowe
Like many of you, I was saddened to hear the news of Leonard Nimoy's death. His Star Trek character Mr. Spock was an inspiration to many of us who entered technical fields.

Rich Quinnell

Making the Grade in Industrial Design
Rich Quinnell
As every developer knows, there are the paper specifications for a product design, and then there are the real requirements. The paper specs are dry, bland, and rigidly numeric, making ...

Special Video Section
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...
General-purpose DACs have applications in instrumentation, ...
Linear Technology demonstrates its latest measurement ...
Demos from Maxim Integrated at Electronica 2014 show ...
Bosch CEO Stefan Finkbeiner shows off latest combo and ...
STMicroelectronics demoed this simple gesture control ...
Keysight shows you what signals lurk in real-time at 510MHz ...
TE Connectivity's clear-plastic, full-size model car shows ...
Why culture makes Linear Tech a winner.
Recently formed Architects of Modern Power consortium ...
Specially modified Corvette C7 Stingray responds to ex Indy ...
Avago’s ACPL-K30T is the first solid-state driver qualified ...
NXP launches its line of multi-gate, multifunction, ...
EE Times Senior Technical Editor Martin Rowe will interview EMC engineer Kenneth Wyatt.
Flash Poll