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View Poll Results: Would you buy a kit to make your TrueSmart REALLY IP67 compliant?
Yes, I'd pay $15-25 for a self-installed kit. 58 85.29%
Yes, I'd pay $25-50 for a pro-installed kit. 8 11.76%
No, $25 is too much. 1 1.47%
No, I'm not interested. 1 1.47%
Voters: 68. You may not vote on this poll

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Hardware Hacking x201 : IP67 Compliance

OP martinbogo1

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27th March 2014, 12:12 AM   |  #1  
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Join Date:Joined: Mar 2014
So, as we all know the Omate TrueSmart is as waterproof as a leaky boat, or perhaps a sponge.

However, I don't think there are any other Horologists on the forum at the moment. ( wikipedia horologist http:// en.wikipedia.org /wiki/horologist ).

After looking at the "seals" on the case buttons, and the laughable o-ring that Umeox/Omate have chosen to use on the back, along with the piece of silicone flap that they are using to seal the SIM card... I have to say that expecting it to be water resistant to any degree is a bit laughable.

So, I have a solution, the same one used by Rolex, Omega, Breitling, Citizen, Seiko, etc.. etc...

* Liquid silicone sealant gel on the SIM card seal and flap.
* Replace the silicone o-rings for the watch back with a thin silicone gasket, with more sealant gel
* Retrofit and replace the button seals, or create black silicone button covers that better seal them

I'm going to have to look at the speaker port on the watchband. I don't know if there is a simple solution there to make it compliant for 1 meter depth without severely affecting the quality of the sound output from that port. A brief examination makes it seem that the port -might- be able to take IP67 conditions .. but without reinforcement, I doubt it could take the forces involved in a swim, waves, wakes, spas.

Still, I think I can put together a kit, and instructions that careful and diligent people could use to retrofit the TrueSmart to make it far more waterproof than the manufacturer does. The kit would cost between $15 and $25 US, mostly to cover the cost of making custom molds for the silicone gaskets. ( There is a local TechShop here in Austin, and I have a CNC mill to make the aluminum molds, and all the design experience and software I need. Even so, a small super-accurate mold is a couple hundred dollars worth of materials and work. )

If there is enough interest evidenced here on a poll, I'll make the kit.

Sincerely,
Martin Bogomolni
Maker, Horologist, Coder, and Machinist
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