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| SparkFun RTK Surveyor (GPS-18443) | SparkFun RTK Express (GPS-18442) | SparkFun RTK Express Plus (GPS-18590) |
The SparkFun RTK Surveyor, SparkFun RTK Express, and SparkFun RTK Express Plus are centimeter-level GNSS receivers. With RTK enabled, these devices can output your location with 14mm horizontal and vertical accuracy at up to 20Hz!
This repo houses the firmware that runs on the SparkFun RTK product line including:
If you're interested in the PCB, enclosure, or overlay on each product please see the hardware repos:
Thanks:
- Special thanks to Avinab Malla for the creation of SW Maps and for pointers on handling the ESP32 read/write tasks.
- /Binaries - Loadable firmware either over USB or via SD card
- /Firmware - Main firmware as well as various feature unit tests
- RTK Surveyor Hookup Guide - Hookup guide for the SparkFun RTK Surveyor.
- RTK Express Hookup Guide - Hookup guide for the SparkFun RTK Express and Express Plus.
This product is open source!
Various bits of the code have different licenses applied. Anything SparkFun wrote is beerware; if you see me (or any other SparkFun employee) at the local, and you've found our code helpful, please buy us a round!
Please use, reuse, and modify these files as you see fit. Please maintain attribution to SparkFun Electronics and release anything derivative under the same license.
Distributed as-is; no warranty is given.
- Your friends at SparkFun.