This "Butterfly GPS" device was built with an ATmega169 microcontroller, a GPS receiver board based on the SiRF chipset, and an LCD screen that reads out the data in real-time as location, date and time.
Via Makezine | Posted on 2008.05.14 at 08:04
[Gabriel] put together an impressive writeup of his autonomous catamaran, Atlantis(PDF). It was certainly done as an academic project, but there's a thorough explanation of the math logic behind the control systems.
Via Hack a Day | Posted on 2008.04.20 at 06:44
Since water blocks the radio frequency used for GPS triangulation, GPS is considered pretty useless for SCUBA divers. Apparenlty some of them are finding it useful to waterproof off the shelf units for tracking the beginning and end of dives.
Via Hack a Day | Posted on 2008.03.13 at 01:56
Dan writes - "Shock-Proof your Garmin GPS to prevent unintended power-downs. I look at a couple different ways to make the fix, and actually do one of them.
Via Makezine | Posted on 2008.03.12 at 12:12
Nick writes -You recently put up a link to Alex's Mobile GPS tracker article - it used an extra microcontroller which was not strictly necessary since the GM862-GPS features an inbuilt Python interpreter.
Via Makezine | Posted on 2008.03.12 at 12:11
[jcoxon] was inspired by the original Linux weather balloon project. His Pegasus 1 reached an altitude of 66,585ft and took over 600 pictures. The flight logging system is based on the Gumstix waysmall computer system.
Via Hack a Day | Posted on 2008.03.12 at 12:09
Michiel writes - "GPS Visualizer allows you to upload from GPX, OziExplorer, Geocaching. com (. loc), IGC sailplane logs, Garmin Forerunner (.
Via Makezine | Posted on 2008.03.12 at 12:09
Kevin Zeits sent in his diy Nikon d200 gps cable and hot shoe gps mount. Nikon sells it for $150, but has a 3 to 6 month eta. Ok, it's really just a ttl to rs-232 converter with proprietary connectors - but I love tagging photos with gps info.
Via Hack a Day | Posted on 2008.03.12 at 12:01
Here's a short guide for converting a Palm III GPS sled into a normal serial GPS receiver. The Palm III is old tech so its accessories can be picked up cheap and modified for other purposes.
Via Hack a Day | Posted on 2008.03.12 at 12:00
Video of cool of German-made four-prop micro-drones with such features as hand-motion control, GSM networked communications (swarms!), GPS mapping, mounted cameras, and more.
Via Makezine | Posted on 2008.03.12 at 11:53