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Author Topic: Battery based embedded linux system?  (Read 837 times)
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nukke
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« on: February 12, 2016, 12:40:35 12:40 »

Search battery-based embedded Arm or MIPS Linux system, which operates more than 2 weeks without additional voltage supply.
Currently, I use Linux on old Android phone, but is very inflexible.

thx
nukke
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PICker
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« Reply #1 on: February 12, 2016, 02:48:31 14:48 »

Hi,
I've found quite complete solutions but the battery charge lifetime seems to be no so long...
http://www.cnx-software.com/2016/01/15/ocean-is-a-battery-powered-mobile-server-powered-by-allwinner-a20-processor/
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Gallymimu
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« Reply #2 on: April 03, 2016, 04:20:56 04:20 »

This is a badly specified project.  What battery life/size is acceptable (in watt hours not time).

a lot of systems with enough lithium AA batteries will get you pretty far.

what processing needs to be done, infrequent processing can allow a linux system to sleep at very low power for extended periodes.

Need more info.
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PICker
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« Reply #3 on: April 03, 2016, 08:04:18 08:04 »

You can try to find more info about available battery-powered linux solutions:

http://hackerboards.com/
http://hackerboards.com/category/boards/
http://hackerboards.com/category/devices/
http://archive.linuxgizmos.com/
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zac
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« Reply #4 on: April 03, 2016, 11:47:29 23:47 »

What does it need to use linux?  What functions or software specific to linux do you need? 

A small RTOS (like Keil's RTX or open source FreeRTOS) boots much more quickly and is much smaller. 

http://www.keil.com/rl-arm/kernel.asp

https://en.wikipedia.org/wiki/FreeRTOS
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witsanukai
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« Reply #5 on: April 19, 2016, 11:10:50 11:10 »

What is your difficulty of your project?
My gause, may be battery powered not enough?
you know your board power consume right? (may be assume 1 Amp/Hour with fully operation)
What about battery size limit?
If size of system not a problem, you may have alot of choice by using seal lead acid battery which large current capacity.
The good way and solution you may need to know the power usage of your system, limitation of sytem size, then select battery and charging option will be macth with your requirment rather than try to looking for some project macth with your requirment.
Cheer.
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bigtoy
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« Reply #6 on: April 30, 2016, 11:38:49 23:38 »

Folks do run Raspberry Pi's from batteries. You can easily adjust the clock speed to make the performance / battery life tradeoff you need.
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