![]() Fast-moving platforms relying on GPS to guide an autopilot will benefit from a fast update rate, while a passive location tracking device may do perfectly well updating just once per second. So is a GPS just a GPS?ĭepending on your application, you may require different things out of your GPS module. Projects like NeoGPS, Adafruit GPS, and minmea will take an incoming serial data stream, and spit out all the geographic location data you could possibly ask for. However, for those truly in a hurry, it’s possible to find code for many microcontroller platforms that will do the work for you. This standard is well-documented for those wishing to parse the data. The messaging format is also standardised, with data being output in the NMEA-0183 format. They most commonly communicate over a standard serial interface, usually at 9600 baud, though I2C and SPI interfaces are also available. Most modules on the market all work in a similar way. Working with GPS may seem daunting, but thanks to the efforts of industry and individuals, these days, it’s remarkably straightforward. But how do you go about it, and what parts are the right ones for your application? For the answers to these questions, read on! All The Same, But Totally Different Thankfully, GPS is a thing! With an off-the-shelf module, it’s possible to get all the location data you could possibly need. ![]() The only problem is, you need to know its location to a decent degree of accuracy. You’ve built a brand new project, and it’s a wonderful little thing that’s out and about in the world. ![]()
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