mercredi 26 mars 2014

Hardware Hacking x201 : IP67 Compliance topic




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 and 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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