Freerunner as a mobile gateway
Al Johnson
openmoko at mazikeen.demon.co.uk
Wed May 18 10:57:33 CEST 2011
On Tuesday 17 May 2011, Eric Smith wrote:
> Hi
>
> I am considering using the Freerunner as a mobile gateway to track
> GPS on a vehicle and to receive data from wireless sensors in the
> vehicle and send the sensor data and GPS data through GPRS.
>
> We may need to plug a customised wireless device into the freerunner
> usb. An external GSM and GPS antenna will be used. The device will
> have to run reliably and be robust for 8 to 12 weeks, so that means
> a customised battery.
>
> Power use efficiency means putting keeping the device in low-power
> consumption mode for most of the time and waking every 30 minutes
> (say) for polling and transmitting.
>
> Has anyone implemented such a solution or has ideas about feasibility?
Nobody has talked about doing this IIRC, but it certainly sounds feasible.
External power can be supplied via the usb y-cable arrangement, so shouldn't
be a problem. atd-over-fso will let you wake from suspend to do what you want
on an interval.
More information about the community
mailing list