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Home > GPS Receivers > Garmin Hacks

Garmin Hacking

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Find a new Garmin Hack on the web? Tell me about it.

Garmin Hacking Project Various list of hacks attempted against a Garmin GPS45. Decoding the Garmin Protocol GRMN/GRMN Simplified Communication Protocol Communication Setup. By John F. Waers Putting eTrex into Service Mode eTrex has some features which could be showed by invoking service menu. This hidden screen is used for testing and service purposes by Garmin, therefore is undocumented. Hacking Onboard Maps There has been a long standing gripe that the onboard maps provided with them are of such low quality for our area (northern canada). We offered to pay Garmin to put our own maps in them but they turned us down flat. Hacking eTrex Garmin eTrex GPS receiver is a cute little thing that does not cost you a fortune. Although it does not have a scrolling map (unless you have one of those newer, more expensive models), and offers somewhat limited functionality compared to more expensive models, but it has a connector for attaching it to serial port of your PC or laptop. Make your own connector! Secret Startup Commands for Garmin handhelds There are several undocumented commands available, primarily at startup, on Garmin handheld receivers. This article will attempt to document some of the features available. I will try to document these in a universal way although details may differ depending on the unit you have. There are variations among models and among software releases within models. There is no attempt to provide 100% mapping to a particular model or release. How to make a re-radiating antenna for the Garmin Etrex family by Heinrich Pfeifer