GPS – PocketMagic

Teltonika RUT955 NMEA HTTP Post + Parser

January 26, 2021

RUT955 is highly reliable and secure LTE Industrial router with I/O, GNSS and RS232/RS485 for professional applications. For a given application, several such devices were installed on buses and I was in charge of developing a positioning system using the Teltonika’s built in GPS capabilities. This was somewhat easy, as I worked with NMEA before. The RUT955 rich config panel has a section for GNSS positioning (Menu->System->GPS) . There you…

NMEA GPS Library for Microcontrollers -2-

July 7, 2020

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A few years back I wrote a NMEA parser library that would run on AVR Microcontrollers. Released as open source under GPL, it became quite popular. All these years I used this code as reliable way to add GPS functionality to my hardware projects. One example is the portable environmental monitor, the “model D”, here’s some cosmic radiation data mapped to location in an airplane flight, that was created using…

NMEA GPS Library for AVR Microcontrollers

February 25, 2013

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An open source library that allows you to use a NMEA GPS Module with an AVR Microcontroller. UART Communication and NMEA Parser is included.

Hacking a Mesada GPS Unit

September 1, 2008

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An article about adding extra bluetooth functionality on a gps unit running wince 5.0