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That's brilliant! Literally and figuratively :-)
Not sure if this will work, but I was thinking a chicken wire mesh under the rug would act as a capacitive sensor, could have the advantage of being sealed against weather, etc.
Since the Puck has a dedicated cap sensor pin, this might be a good experiment - I'll give it a try in the new year, on vacation right now. -
Ah, yeah 10µ FTW - time to rerev the board...
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Just as a NB I've had a bare MDBT board connected to a 4 digit 7-segment LED (usually off) that's lasted about 2 weeks on a dodgy CR2032. Dodgy because it was about 3 years old when I found it and put it in the device. There's also a .22µF ceramic bypass cap which may be helping with the rampup time.
Even a new 2032 has about a 30Ω internal resistance.
If the LEDs are always on 3.5 days sounds about right - I mux them and also have a button that turns them on for 10 seconds. -
I'm working on connecting a DS3231 to an MDBT. 4ppm, and battery backed up. Since it's i2c, should be pretty trivial to interface.
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and this was a holiday weekend for some of us, might explain the lack of response
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I like the idea, also 'ring sized watch' :-)
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@allObjects nice!
Does anyone remember Pixel Miner for the Pebble? I think that would be an awesome demo project.