Eric Smith <e...@fruitcom.com> writes: > 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?
I've done something similar except that I didn't use an external GSM antenna. http://www.dealextreme.com/p/cable-style-dual-power-1000ma-usb-2-0-4-port-hub-13526 http://www.dealextreme.com/p/universal-usb-power-car-adapter-1000ma-688 _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community