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Electronic News & Comment

Tiny MCU Adds Intelligence to Internet of Things

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etmax
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Gold
Re: Network
etmax   3/13/2014 11:14:09 AM
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Thanks Chuck nice post. It has prompted me to consider revisiting the 1980's Circuit Cellar project where they built a multiprocessor out of 8748's to do mandelbrot calculations. With 50 or so 8748's it was 30 times faster than a '286 or something like that. Each 8748 drew around 0.5A, and was in a 40 pin DIP. With this package and low power you could do a 100 processor board.

jhankwitz
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Platinum
Re: How do they solder without damaging?
jhankwitz   3/13/2014 9:07:42 AM
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I think there's a good chance they could start using low viscosity, highly conductive epoxy,  Companies like Master Bond are coming out with potential new products like this on a regular basis.  

Daniyal_Ali
User Rank
Iron
Re: Network
Daniyal_Ali   3/13/2014 7:57:06 AM
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Nice share Charles. This would open many new doors for the tiny products that we never imagined before. These tiny controllers could even be fitted in the tablets to track and steer the path of these drugs and making patients get relief from pain earlier than expected, along with giving feedback of the data to the doctor. These types of projects have always been discussed but now they seem more realistic.

Charles Murray
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Blogger
Re: Network
Charles Murray   3/12/2014 6:31:25 PM
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I would think these devices could be placed in clothes for apps used by wearers and for retailers, to track the products, TJ.

Charles Murray
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Blogger
Re: How do they solder without damaging?
Charles Murray   3/12/2014 6:28:35 PM
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Good questions, 78rpm. We can check with Freescale on the RoHS issues for you. I, too actually wondered if the devices were too small for some manufacturers, which is why the pitch size is mentioned in the article.  

78RPM
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Gold
How do they solder without damaging?
78RPM   3/12/2014 3:32:25 PM
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I am wondering how such a small device can be soldered without damaging the device, especially using RoHS solder.  How is the heat dissipated during fabrication?  I really wonder if RoHS is necessary considering the amount of lead that is pumped into the ground from ammunition, mostly from target shooting.  The amount used in electronics must be small in comparison.  Is it possible that further miniaturazation could be realized by using low temp solder?

TJ McDermott
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Blogger
Network
TJ McDermott   3/12/2014 10:29:29 AM
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These are so tiny, dozens of them could be networked into the intelligent clothing we've read about in DN already.

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