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Timeline for Sound or motion activated long term battery powered Arduino

Current License: CC BY-SA 3.0

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Feb 23, 2017 at 10:04 vote accept frodeborli
Feb 22, 2017 at 20:43 review Suggested edits
Feb 24, 2017 at 8:24
Feb 22, 2017 at 20:30 answer added Enric Blanco timeline score: 0
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Jun 27, 2016 at 1:24 answer added Talk2 timeline score: 0
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May 27, 2016 at 12:35 answer added st2000 timeline score: 0
May 26, 2016 at 18:31 comment added Gerben I'd just go with a PIR sensor. I have my arduino check light levels every 250ms, and it runs for more that half a year on 2 AA batteries.
May 26, 2016 at 17:21 comment added Chris Stratton Many MEMS accelerometers can be programmed to generate a wakeup interrupt to a host MCU when a threshold is exceeded. In terms of power savings, you will need care to both hardware and software design. The simplest conservative power solution is indeed to run directly off the cell with no regulator losses, as that is in the allowable range for your MCU - but it may not be for the MEMS. Greater efficiency would be a well chosen switching regulator running the electronics near their minimum suitable voltage where consumption will be lowest. Watch out for voltages left across resistors!
May 26, 2016 at 17:18 comment added fred_dot_u Is this a counter device you are seeking to construct? What will the arduino perform once triggered by creature and powered on? Is it practical to consider a solar charging system as an add-on, to keep your selected battery healthy during the desired period?
May 26, 2016 at 16:21 history asked frodeborli CC BY-SA 3.0
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