Tinkerlog

The Arduino can talk over a wide range of networks. Ethernet, Bluetooth, Wifi, XBEE and GPRS to name the most known. I had a Telit GM862-GPS module laying around, unused for some time already. It has GPRS and GPS capabilities, both accessible with AT commands. So I decided to port some of my code to [...]

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Some weeks ago I met Thilo and he showed me twibble, his GPS enabled twitter client for the N95. Nice little and smart application. It sends messages with geo positions to twitter. The postion can then be tracked and viewed within Google Maps.
I was impressed and decided immediately to try to post the same messages [...]

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After some trouble with my SMS sending routine I am finally able to show some working code.
Features so far

Displays menu via serial port if attached to PC
Can run unattended or interactively for debugging
Fetches GPS positions and sends them via SMS every two minutes

If the circuit is powered on, the following sequence will be executed:

Boot up, [...]

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Two weeks ago I posted about how to interface an AVR microcontroller to a Telit GM862. You can read it here: Interfacing an AVR controller to a GPS Mobile Phone.
That post got listed on Hack-A-Day, Engadet and Makezine among many others! w00t! Thanks for posting and reading it, I really appreciate it.
This post will show [...]

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Update: Part II Using Google Maps with a Mobile GPS Tracker is online.
My goal is to build a kind of a mobile tracker. There are many different use cases you can think of but one of the obvious is a device, that is able to report where it is. This device can be [...]

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