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Maker Faire 2013: Tiny Oscilloscopes With OLED Screens

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Sanjib.A
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Cool tool!! but...
Sanjib.A   9/26/2013 2:04:51 PM
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It is a cool design. I went through the webpage and it might appeal every EE. But does it make a business case?...I don't think so. Why would I need a scope/waveform generator in a watch? Again, talking about the power it takes, "When using the oscilloscope, the battery will last about 12 hours"...does it make sense for it to be in a form of an watch? Why not a pocket oscilloscope in the size of a phone or perhaps using the phone, with better specs & a bit bigger display, with more buttons/nobs? Would it be so difficult to carry if it comes in the size of a mobile phone?

 

Caleb Kraft
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Re: Cool tool!! but...
Caleb Kraft   9/26/2013 2:17:03 PM
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Well, you would certainly get a longer battery life with the phone sized form factor. I would assume that you aren't going to have it in scope mode all the time though so the watch should last much longer. Then again, I don't want to have to charge my watch a couple times a week. 

Susan Rambo
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Re: Cool tool!! but...
Susan Rambo   9/26/2013 2:32:04 PM
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Hi Sanjib. Good point. Maybe it's not as useful but it sure is a fun idea. A good gift idea for the electrical engineer. 

Max The Magnificent
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Re: Cool tool!! but...
Max The Magnificent   9/26/2013 4:25:03 PM
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@Susan: A good gift idea for the electrical engineer.

Now you know what to get me for Christmas :-)

rick merritt
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Re: Cool tool!! but...
rick merritt   9/26/2013 4:58:53 PM
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...I almost never need to generate a test signal ;-)

rick merritt
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Re: Cool tool!! but...
rick merritt   9/26/2013 4:59:59 PM
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Actually I have never so far needed to generate a test signal, but the day's still young and I'm only 56 ;-)

Max The Magnificent
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Re: Cool tool!! but...
Max The Magnificent   9/26/2013 5:06:41 PM
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@Rick: ...I almost never need to generate a test signal ;-)

Let's just hope that one day there isn't a crisis and someone shouts "Is there an engineer in the house who can generate a test signal?"

A Metcalfe
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Wristwatch CRO - other applications
A Metcalfe   9/26/2013 6:36:22 PM
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I can't see that many uses for a handheld CRO and signal generator, HOWEVER, there are many IT and installer folk who could use a TDR, which requires almost the same hardware.
TDR's are used to send a tiny blip down a wire and look for reflections caused by breaks, joins, taps and ends of wires. It's quite easy to measure to within a few centimetres where a cable join is, for example. They can also be used for optical fibre.

This is probably a larger market for the designer than the plain old oscilloscope, as extreme portability is of concern for the installers/IT folks.

 

-Andrew M

David Ashton
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Gabotronics Goodies
David Ashton   9/26/2013 6:51:55 PM
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Gabriel's stuff is very cool.  I have one of his older boards that I am going to build into a breadboard (when I get the time....)

As per the above posters, i wonder how useful a scope watch would really be - apart from anything else it would limit the use of the hand you were wearing it on.  Maybe the strap could become a stand?   The limited battery life will put a lot of people off.  So maybe make a hinged cover with a solar cell on it to act as a dual-purpose charger and screen protector. or build solar cells into the strap, or sell it with a stand  to sit it on overnight that acts as a charger...??

But I think Gabriel could make his money on this selling them to geeks like Max and me :-)

 

Caleb Kraft
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Re: Gabotronics Goodies
Caleb Kraft   9/26/2013 9:09:34 PM
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honestly I think I would just have it display a sound waveform all the time... because it is neat. 

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