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Blog Skier impact monitor 07 - Mailbag Wednesday
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Engagement
  • Author Author: hlipka
  • Date Created: 28 Jan 2015 10:39 PM Date Created
  • Views 523 views
  • Likes 1 like
  • Comments 4 comments
  • impact_skiers
  • sudden_impact
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Skier impact monitor 07 - Mailbag Wednesday

hlipka
hlipka
28 Jan 2015

So today finally the big package from Farnell arrived. So here is the big unboxing:

image

Everything neatly packed together - as usual the packaging was excellent (and the box is huge!).

image

The encapsulation resin, together with the safety data sheet. The second resin package is still missing, I hope it will follow soon. (Btw: note the manufacturing and expiration dates...)

Next we have a nice stack of boxes from Analog Devices:

image

Time to open them up all (from top to bottom):

image

The temperature sensor board is really tine, the connectors are much bigger than the small board hiding underneat.

image

Next is the first accelerometer breakout. This one has the header populated

image

But the one for the ADXL375 (which I intend to use) not, which fits my goal of a small form factor. The ADXL362 board looks the same, so I skipped on a picture.

image

This is the ADXL375Z-M evaluation module. To the left the sensor module, to the right the MCU module that connects to the PC. The black part on the sensor module holds this tiny piece:

image

that is the accelerometer itself. Nice, but really tiny. I need to see if I can find the schematics to see whether it can hold the ADXL345 too (right now there is nothing to be found).

The sensor module for the ADXL362 looks a little bit different:

image

but in the end its the same (and the chips comes in the same packaging with the mysterious gel in it). Next is the AD8232 board:

image

Looks a little bit too large to be incorporated in a wearable device. And it doesn't come with sensors. Which is a pity since such electrodes are not something the average electronics engineer has at home...

image

Last but not least the ADUCM350 eval system - thats a quite collection of boards... There is not CD in the box, and the Analog Devices web page is silent about a user guide...

(But it seems one can find at least the software on the page for the ADUMC350, and there is some documentation in the package)

image

Fully assembled it looks quite funny. I will see whether the JLink-OB (on the left) can be used with OpenOCD as generic debugger, that would be great.

Last but not least, the TBS1202B-EDU scope:

image

Again it comes with a UK power cable image Nothing that can't be corrected. I already wrote a review of the TBS1052B-EDU scope on my personal blog, but I will look at the differences. The 1202B comes with 200MHz probes as expected, I will test how that (together with the higher bandwidth) affects performance.

The scope came with firmware version 2.52, but I found out that in January Tektronix released a new version (3.25) so I upgrade both scopes. Main difference is that the menu system should be faster now.

Next steps

I will be on a one-week vacation starting Saturday, so there won't be any more progress until I come back (and no blog updates). But at least I got by Bluetooth connection working yesterday, so that part is progressing nicely.

When I'm back next step will probably to get the accelerometer running with the PSoC4. I will see whether I can use the bigger breakout board with my BusPirate, because the other one should go on the module board so I don't want to connect headers to it.

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Top Comments

  • hlipka
    hlipka over 10 years ago in reply to clem57 +1
    I did not test the BLE transfer distances. But the spec says that 100m should be achievable, maybe even more. But for my use case it should not matter, since its intended to work as data logger that read…
  • hlipka
    hlipka over 10 years ago in reply to clem57

    I did not test the BLE transfer distances. But the spec says that 100m should be achievable, maybe even more. But for my use case it should not matter, since its intended to work as data logger that read out later on. Only for the alert functionality a direct phone connection is needed - and then I should be near anyway.

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  • clem57
    clem57 over 10 years ago in reply to hlipka

    @Hendrik Lipka

         Curious, but what distance do you think the BLE will give you?

    Clem

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  • hlipka
    hlipka over 10 years ago in reply to DAB

    Nothing is worse than choosing a piece thats too big to bite... I hope that with the BLE stuff running I have the most complicated part done already. I still regret that I cannot test in during my skiing vacation. But I will find another way for testing.

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  • DAB
    DAB over 10 years ago

    Yea, there is nothing like a big box of toys to make your day. image

     

    Then, after the initial elation, you realize that you now have no more excuses for getting the job done.

     

    Looking forward to seeing your build.

     

    DAB

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