Monthly Archives: November 2008

GPS Mouse in Python

Posted on November 8, 2008 by Andreas Goelzer

Some months ago I aquired a cheap gps mouse (Royaltek RGM-2000, really cheap, 2 € + shipping) at ebay. My plans to use it in combination with an microcontroller and a display haven’t worked out, it is a lot of work and the garmin units do that job fine.
However, playing around with it in python lead to better results. Getting the data to google earth works nicely, and at least qlandkarte can read the generated gpx tracks.

Usage

  • Start the Program, add a parameter for the port your nmea device is attached to (/dev/ttyUSB0 is the default
Posted in Computers | Tagged , | 4 Comments

usbmot

Posted on November 3, 2008 by Andreas Goelzer


This device connects to a computer’s usb port and controls two small electric motors using the L293D. The atmega microcontroller uses the firmware-only USB driver from objective development.

Device description

The usbmot device controls up to two small motors, 600 mA current each, 1.2 A peak each, with an atmel atmega microcontroller connected to some host device via USB. The speed of the motors can be controlled with PWM.

Posted in Electronics | Tagged , , | 4 Comments