Millimeter Magic with the SparkFun RTK mosaic-X5

Our newest RTK surveyor is here and it utilizes the mosaic-X5 from Septentrio! Be sure to also check out our new ISP Pogo Adapter and Qwiic 24 Bit ADC.

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Hello everyone and welcome to a week of large releases for us here at SparkFun Electronics. We are happy to announce our newest GNSS Surveyor, the SparkFun RTK mosaic-X5! This highly accurate RTK Kit provides you with 6mm accuracy and a 100Hz update rate as well as everything pretty much everything you'll need to get started! Following that, we have a new version of our tried and true ISP Pogo Adapter for programming without soldering a single pin. We wrap the day by taking a closer look at SparkX's new Qwiic 24 Bit ADC board! Let's jump in and take a closer look at each of this week's new products!

Unlock Precision Paradise: The SparkFun RTK mosaic-X5 is Here!

SparkFun RTK mosaic-X5

SparkFun RTK mosaic-X5


Designed and manufactured in Boulder, Colorado, USA, the SparkFun RTK mosaic-X5 is the perfect solution for your high-precision positioning and navigation needs. Based on the multi-constellation, multi-frequency, L1/L2/L5-ready mosaic-X5 from Septentrio, this is our most advanced RTK product to date.

The mosaic-X5 is a 448-channel "all in view" receiver which supports GNSS signals from GPS (USA), GLONASS (Russia), Beidou (China), Galileo (Europe), NavIC (India) plus special additional satellites (e.g. SBAS and QZSS). The mosaic-X5 also has built-in on-module support for other L-band correction services.

The RTK mosaic-X5 can be configured as an RTK Base, where it feeds corrections to other RTK Rovers, or as an RTK Rover, where it can use corrections to achieve a horizontal positioning accuracy of 6 millimeters (0.6cm) (plus 0.5 PPM). For robotics and autonomous systems applications, the mosaic-X5 can deliver position updates at 100Hz (100 times per second). The mosaic-X5 is a very sophisticated chip running a full internal web page server; the position can be monitored, and the module is fully configured through that web page using a standard browser.

SparkFun ISP Pogo Adapter v2

SparkFun ISP Pogo Adapter v2


Pogo pins make life so much easier when you are trying to program without having to solder a single thing, and when you attach them to an In-system programming (ISP) adapter, they become instantly better. This simple kit allows you to do just that. The ISP Pogo Adapter is a simple and easy way to adapt pogo pins to a 6-pin ISP header, allowing you to program an IC without soldering a header.

SparkX Qwiic 24 Bit ADC - 4 Channel (ADS1219)

SparkX Qwiic 24 Bit ADC - 4 Channel (ADS1219)


A lot of the time you just need to add more analog inputs to solve a problem. It happens. The SparkX Qwiic 24-Bit ADC can provide four channels of I2C controlled ADC input to your Qwiic enabled project. These channels can be used as single-ended inputs, or in pairs for differential inputs, running at sample rates of up to 1kHz. What makes this ADC even more powerful is that it has a programmable x1 or x4 gain amplifier that lets you "zoom in" on a very small change in analog voltage (but will still effect your input range and resolution). Utilizing our handy Qwiic system, it is easy to connect it to the rest of your system. However, we have broken out 0.1"-spaced pads too in case you prefer to use a breadboard.

That's it for this week. As always, we can't wait to see what you make! Shoot us a tweet @sparkfun, or let us know on Instagram, Facebook or LinkedIn. Please be safe out there, be kind to one another! We'll be back with more new products next week so make sure to check back then. Happy hacking!

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