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GPS for Flipper Zero

A simple Flipper Zero application for NMEA 0183 serial GPS modules.

Heavy lifting (NMEA parsing) provided by minmea.

Installation

Navigate to the FAP Build GitHub action workflow, and select the most recent run.
The FAP is built for both the dev and release channels of the official firmware. Download the artifact corresponding to your firmware version.
Extract gps_nmea.fap from the ZIP file to apps/GPIO on your Flipper Zero SD card.

Usage

This is a single-screen app, and a few interactions are provided via the hardware buttons:

Long press the up button to change the baud rate. The default baud rate is 9600, but 4800, 19200, 38400, 57600, and 115200 baud are also supported.
Long press the right button to change speed units from knots to kilometers per hour.
Press the OK button to set the backlight to always on mode. Press it again to disable.
Long press the back button to exit the app.

Hardware Setup

Connect the GPS module to power and the USART using GPIO pins 9 (3.3V), 11 (GND), 13 (TX), and 14 (RX), as appropriate.

See the tutorial video from Lab401 by RocketGod for a visual guide to the hardware setup.

Confirmed Compatible Modules

Adafruit Ultimate GPS Breakout
ATGM336H
Beitian BE-122
Beitian BN-180
Beitian BN-220
Beitian BN-280
Beitian BN-880
Beitian BK-250
Beitian BK-357
Beitian BK-880Q
Beitian BE-280
Beitian BN-280ZF
Beitian BN-357ZF
Fastrax UP500
mRo GPS u-Blox Neo-M8N
REYAX RYS352A
Royaltek RBT-2100LP
u-Blox NEO-6M
u-Blox NEO-7M
Uputronics u-blox MAX-M8C Pico
Quectel L76K
Quectel L80
M10Q-5883
NewHail GNSS Modul

If you have verified this application working with a module not listed here, please submit a PR adding it to the list.

Building

This application can be compiled using uFBT. Run ufbt in the root directory of the repository.