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GPS Capabilities

The ZOE-M8 is able to connect to up to three different GNSS constellations at a time making it very accurate for
it's size. Below are the listed capabilities of the GPS unit.

GNSS

GPS and
GLONASS

GPS

GLONASS

BeiDou

Galileo

Horizontal Position
Accuracy

2.5m

---

Max Navigation
Update Rate

ROM

10Hz

18Hz

Flash

5Hz

10Hz

Time-To-First-Fix

Cold Start

26s

29s

30s

34s

45s

Hot Start

Sensitivity

Tracking and
Navigation

-167dBm

-166dBm

-160dBm

-159dBm

Reacquisition

-160dBm

-156dBm

-157dBm

-153dBm

Cold Start

-148dBm

-145dBm

-143dBm

-138dBm

Hot Start

-157dBm

-156dBm

-155dBm

-151dBm

Velocity Accuracy

0.05m/s

Heading Accuracy

0.3 degrees

SparkFun SAM-M8Q Hardware Overview

Содержание GPS-15193

Страница 1: ...SAM M8Q Hookup Guide Introduction The SparkFun ZOE M8Q and SAM M8Q are two similarly powerful GPS units but with different project applications They both have a 2 5m horizontal accuracy SparkFun GPS...

Страница 2: ...rials You may not need everything though depending on what you have Add it to your cart read through the guide and adjust the cart as necessary SparkFun GPS Breakout Chip Antenna SAM M8Q Qwiic GPS 152...

Страница 3: ...ow in the GPS accessories If you want to try different chip antennas then try the GNSS Antenna Evalutation Board listed below and make sure to get the u FL to u FL connector in the accessories SparkFu...

Страница 4: ...3V Magnetic Mount Antenna SMA 5m GPS 00464 GPS GNSS Embedded Antenna 1m SMA GPS 14987 GPS Embedded Antenna SMA GPS 00177 Interface Cable SMA to U FL WRL 09145 GPS Antenna Ground Plate GPS 15004 U FL t...

Страница 5: ...e RedBoard without a Qwiic connector we recommend getting the Qwiic Shield for Arduino WRL 15114 SparkFun Qwiic Cable Kit KIT 15081 Qwiic Cable 100mm PRT 14427 Qwiic Cable 200mm PRT 14428 Qwiic Cable...

Страница 6: ...t hardware and minimal effort you can determine your position and time almost anywhere on the globe Serial Peripheral Interface SPI SPI is commonly used to connect microcontrollers to peripherals such...

Страница 7: ...o first fix will about 29 seconds but after the product has a lock that battery will allow for a one second time to first fix This is known as a hot start and lasts for four hours after the board is p...

Страница 8: ...connect the Power LED on the topside of the board Finally at the lower left is the SPI jumper that when closed enables SPI communication The board defaults to I C and Serial so close that if you d rat...

Страница 9: ...s labeled SDA and SCL which indicates the I C data lines Similarly you can just use the Qwiic connector on the left side of the picture The Qwiic ecosystem is made for fast prototyping by removing the...

Страница 10: ...second PPS Reset RST Safeboot SAFE and finally the interrupt pin INT The first pin PPS outputs pulse trains syncronized with the GPS or UTC time grid The signal defaults to once per second but is conf...

Страница 11: ...2 5m 4m 3m Max Navigation Update Rate ROM 10Hz 18Hz 18Hz 18Hz 18Hz Flash 5Hz 10Hz 10Hz 10Hz 10Hz Time To First Fix Cold Start 26s 29s 30s 34s 45s Hot Start 1s 1s 1s 1s 1s Sensitivity Tracking and Navi...

Страница 12: ...conds but after it has a lock that battery will allow for a one second time to first fix This is known as a hot start and lasts for four hours after the board is powered down The battery provides over...

Страница 13: ...onnect the Power LED just above the Qwiic connector Finally on the left side of the product is the JP1 jumper that when cut disconnects the PPS LED Chip Antenna This GPS unit at the center of the PCB...

Страница 14: ...ucts is 0x42 though each can have their address changed through software Broken Out Pins There are four other pins broken out Pulse per second PPS Reset RST Safeboot SAFE and finally the interrupt pin...

Страница 15: ...zontal Position Accuracy 2 5m 2 5m 8m Max Navigation Update Rate ROM 10Hz 18Hz 18Hz 18Hz Time To First Fix Cold Start 26s 29s 30s Hot Start 1s 1s 1s Sensitivity Tracking and Navigation 165dBm 164dBm 1...

Страница 16: ...sizes we have a GNSS Evaluation Board for the purpose of finding the best antenna that works for your project GPS Capability Comparison These two GPS units are so similar in their capabilities that th...

Страница 17: ...u have not previously installed an Arduino library please check out our installation guide Both the SAM M8Q and ZOE M8Q share the same library These two also share a library with their other u BLOX hi...

Страница 18: ...S setNMEAOutputPort Serial void loop myGPS checkUblox See if new data is available Process bytes as they come in delay 250 Don t pound too hard on the I2C bus When you upload this code you ll have to...

Страница 19: ...F Integration Manual PDF Product Summary PDF u blox Protocol Specification PDF u center Software GitHub Product Repo SparkFun Ublox Arduino Library SFE Product Showcase SparkFun u Blox SAM M8Q Schemat...

Страница 20: ...n Mini GPS Shield Arduino Weather Shield Hookup Guide V12 Read humidity pressure and luminosity quickly and easily Add wind speed direction and rain gauge for full weather station capabilities SparkFu...

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