David SMITH wrote: > Where does the power come from?
Same as with the lights. Either from a dynamo, or from batteries charged at home. > How long would it last between recharges? Can be pretty long. The device can be completely shut down except for a real time clock. It just needs to wake up once a day to check for incoming SMS. Only if the SMS tells that the owner considers the bike as stolen, it needs to activate current consuming GPS. > Remember that Li-Ion batteries have a nasty habit of self-discharging, Use NiCd instead? > and if you've gone to the expense of getting a super-light carbon fibre > bike frame, you're unlikely to want to add lots of weight with a large > battery. Many expensive bikes are mountain bikes, dirt jumpers and the like. These are and far from super light weight. Also remember, a decent lock is about 1.5 kg. I see next to every expensive looking bike with such a lock. ---<)kaimartin(>--- -- Kai-Martin Knaak Öffentlicher PGP-Schlüssel: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x6C0B9F53 _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
