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I'm a software developer. Recently, my bike was stolen and I'm pissed off.

The police is useless and what's in my mind now is how can I prevent this from happening again.

What I want to do is, lets say I have a gps chip which can collect the geography data, and this chip is attached to a 3g chip which is used to send data. When I'm doing cycling, I'll generate power and stored in the battery.

So every 30 secs, the 3g chip sends out the data.

So first of all, is it feasible? Secondly, What kind of hardware do I need to buy?

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    \$\begingroup\$ GPS tracking is too late if what you want to "prevent" your bicycle from being stolen. Rather, it is a "cure" to help you in recovery. The solution you are hatching is complex... instead, the Bicycle Law states: All bicycles weigh 25 kilograms. A 15kg bicycle needs a 10kg lock. A 20kg bicycle needs a 5kg lock. A 25kg bicycle doesn't need a lock. Perhaps, a 10kg lock is in order. \$\endgroup\$ – shimofuri Nov 22 '12 at 12:13
  • \$\begingroup\$ That comment makes no sense. Worst comment response to a question I have seen yet. \$\endgroup\$ – Toby Lawrence Nov 22 '12 at 13:38
  • \$\begingroup\$ The most interesting part is how to hide it, since the thief may just disconnect it. It's certainly feasible to do this and might start with something like this sparkfun.com/products/7917 \$\endgroup\$ – kenny Nov 22 '12 at 14:59
  • \$\begingroup\$ What you're describing is called a "smartphone". You can get them really cheap if they're not latest-generation Android or iPhone, and the GPS and telephony connections already work. \$\endgroup\$ – Adam Lawrence Nov 22 '12 at 15:43
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    \$\begingroup\$ Sounds like next time instead of just a stolen bicycle, you'll have a bicycle, GPS receiver, 3g modem, and battery stolen. \$\endgroup\$ – Olin Lathrop Nov 22 '12 at 16:13
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The question is not clear on whether you want to build your own device (in which case the question belongs here), or are looking for shopping suggestions or search help for the many such products commercially available: 1, 2, 3, 4.

Clearly, from the example products above, it is feasible.

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