I2C GPS Module with NMEA decoding

I2C GPS Module with NMEA decoding


David Johnson-Davies designed a GPS module that decodes the NMEA sentences on ATtiny841, and this also runs the I2C slave routine. He writes:

This is a compact GPS module with an I2C interface, making it easy to read the GPS parameters from another project without needing to worry about parsing the NMEA sentences. It’s a PCB-mounted version of my earlier project I2C GPS Module:

As an example of using the module I also describe a GPS mapping application, that plots a map of your route on an OLED display.

I based the PCB on the GlobalTop Technology FGPMMOPA6C GPS module, also known as the GTPA010 [1], and these are available from Aliexpress [2]. It should also work with more recent versions of that module, such as the PA6H available from Adafruit [3]. The GPS module is rated at 3.3V so I included a 3.3V regulator on the board so you can power the board from 3.3V or 5V.

I2C GPS Module with NMEA decoding – [Link]

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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