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Member's Forum When electronics find their way into the washing machine...
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When electronics find their way into the washing machine...

cstanton
cstanton over 5 years ago

I do my best to avoid cleaning my electronics hardware and peripherals.

 

Unfortunately, despite my best efforts, somehow wearable electronics manage to find themselves in the washing machine. I wasn't even washing my trousers where I usually keep it, no, this time my Wii Fit U Meter found itself among the towels, and spun around in the machine. It wasn't until it was too late, and I saw its depressed features pushed up against the glass, that I realised it had gone through an exciting event and probably inflated my walking score.

 

I didn't try to power it on. Not able to find my Y screwdriver, the only thing I could do was put it in rice.

The rice got damp very quickly after a day on the window sill in 35 degrees C heat, I replaced it a couple of times, found my Y screwdriver and finally took it apart.

I have some cleaning to do, now, what's the best way to clean this?

 

image

image

image

I also couldn't help but notice a number of test pads, and some that may even be programming pads.

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  • michaelkellett
    michaelkellett over 5 years ago in reply to Jan Cumps +4
    Totally agree - it's having power on and water at the same time that is really bad. When I clean boards after soldering I use stuff called Safewash which is just strong detergent in water and then rinse…
  • cstanton
    cstanton over 5 years ago in reply to shabaz +3
    Isopropanol and q-tips (thanks dougw ) has been the way to go! It's all cleaned and powered on, it's pretty resilient. Sadly though, the pressure sensor in it appears to have failed (it uses the barometer…
  • Jan Cumps
    Jan Cumps over 5 years ago +3
    Some advise to take the battery out if you can, and then keep it under water instead of rice, until you have everything in place to properly open it up and dry with air... Two to 3 days in rice gives it…
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  • shabaz
    shabaz over 5 years ago

    Hi Christopher,

     

    Just thinking, washing machines should come with BLE detection and cut-off feature : ), since so many wearables etc now have BLE, and might get left in pockets : )

    If there's residues, then isopropanol (or typical lens wipe) is normally good, since it's quite mild and won't damage anything (much/mostly : ).

    Other than that, if it is all definitely completely dry then there's no harm trying to power it up I guess : ) I think it may still work.

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  • cstanton
    cstanton over 5 years ago in reply to shabaz

    Isopropanol and q-tips (thanks dougw ) has been the way to go! It's all cleaned and powered on, it's pretty resilient.

     

    Sadly though, the pressure sensor in it appears to have failed (it uses the barometer to measure height so it knows when you're climbing or using stairs).

     

    I like your idea of BLE detection with a cut off, a detection of electronics left in your pockets - I'm surprised I haven't seen anything that tries to do this already.

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  • cstanton
    cstanton over 5 years ago in reply to shabaz

    Isopropanol and q-tips (thanks dougw ) has been the way to go! It's all cleaned and powered on, it's pretty resilient.

     

    Sadly though, the pressure sensor in it appears to have failed (it uses the barometer to measure height so it knows when you're climbing or using stairs).

     

    I like your idea of BLE detection with a cut off, a detection of electronics left in your pockets - I'm surprised I haven't seen anything that tries to do this already.

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  • shabaz
    shabaz over 5 years ago in reply to cstanton

    Hi Christopher,

     

    I wonder if the pressure sensor might sort itself out, it may be still wet inside. I'm not sure though, it's just speculation.

    BLE detection could be retro-fitted to washing machines perhaps : ) The metal drum is perfect for shielding, and if there was a device stuck onto the glass door with an antenna directed inward, it could pick up RF emanating from inside the drum maybe : ) and sound an alert.. Hm, I'll have to experiment!

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  • dougw
    dougw over 5 years ago in reply to cstanton

    As Shabaz indicated, the pressure sensor may just need to be "baked" for a while to evaporate any residual moisture.

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  • cstanton
    cstanton over 5 years ago in reply to dougw

    I agree, the behaviour of it is similar to the humidity sensor in my Meet Bernie, a Pet with an Affection for Arduino! project when the sensor would be soaked with the spray system image

     

    Also, time of death:

    image

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