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Finally it turns out double sided adhesive tape wasn't strong enough in the end. My display came off without me noticing it, and now its gone. Funny when you look at the watch unsuspectingly and only see the inner electronics.
@Gordon: Do you actually sell spare parts? Especially Displays :-)?
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The screen has fully recovered after cooling down.
The pictures got mixed during the upload. The last picture is actually the first one in order of disassembly, showing the display fading away during heating.
Picture order is 2-3-1. -
Finally i found the time to fix my button. As expected, the button daughterboard was able to shift its position, and because of that the outside button sometimes missed the electrical button.
I wonder if something was missing in my watch, because i haven't found anything that would have held the button in position... In the end i glued a bit of plastic foam to the button, so that the display presses the button into position.Because opening the watch was a bit challenging, here is a little howto: Disassembling of the bangle 2 display.
As stated, the display glass must be heatet to not much above 80° using ho air. I used hot air of 100°, first with some distance to the watch. I then checked the temperature of the glass surface from time to time using an infrared thermometer, reduced the distance step by step and tried to remove the display using a suction cup. When the glass surface reached 83°, the display started moving a bit when pulling. Here i kept the distance and repeated heating/pulling until the display glass came free.
Tipp: The display was glued in place with liquid glue that has hardened in the meantime. If the display has come loose at one point, it will not stick there again when you press on the display.
Tipp: The display will tell you its temperature by itself. At ~70° the display content starts fading away, at ~80° the display content has completely vanished.To reassemble the display, i used standard double sided adhesive tape. I fear this is far less solid than the original glue, but makes service easier :-). I will report back if the display falls out at any point.
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I can try to fix it, and come back to the replacement if i mess it up. Sooner or later i'll have to try it anyway, to replace the battery.
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By hooking into the barometers 'pressure' event i sometimes get only ~1 reading per second, and sometimes ~10 readings per second.
Because i didn't find a method to control the sapling frequency, i assumed it will be controlled by Bangle.setPollInterval(), together with acc/gyr polling. I tried setPollInterval(80), and first this seems to work, but now the application still falls back to ~1 reading per second. Maybe because the application was getting more complicated, consuming more performance, and by this causing the barometer to save power?
Does anyone know how to control the barometer sampling rate? And how reliable this sampling rate is?
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Maybe i searched the wrong part of the forum when i first searched for the button issue. After posting my question i found several posts addressing this issue, sorry for that.
Finally: Looks the only way to go inside is heating the front and removing the glass. When i do this to replace phone screens, i use about 80 degree hot air. What is the recommended temperature for the watch that will not harm the case?
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The button of my bangle 2 from the Kickstarter campaign sometimes does not work properly.
The button was not reliable from the beginning, sometimes working good, sometimes only responding after special treatment (works better if pressure comes more from the back than from the side, ...). Fun fact: The behavior is not completely irregular. If the button works good, it stays this way for a while. Also if it's working bad, this also stays for a while, don't matter what i try to recover. Like some dirt flying around inside and sometimes blocking the button.
Sounds a bit like this thread: http://forum.espruino.com/conversations/370415/I expected this to get better by time, or if not, i would have to open it and look after the button. Now id didn't get better, and looking closer at the watch i realized there is no 'easy to remove' back plate. Seems the watch must be entered from the front, removing the glass and then go forward...
Any idea how to open the device, or howto recover the button another way?
Thanks :-) Wasn't aware of the spare parts shop, have just ordered the display.