MAX-M8Q GNSS HAT

MAX-M8Q GNSS HAT GNSS Module, u-blox MAX-M8Q onboard

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Primary Attribute Category: Modules, GPS/GSM {{{userDefinedInfo}}}: {{{userdefinedvalue}}} Brand: Waveshare

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Onboard Interfaces UART

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Test it in Windows PC

1. Download and install u-center software and then open it
2. Set the jumpers on A area, assemble GNSS antenna,and set the receiver of antenna on open area outside. Connect the micro USB interface to PC
3. Note that you should set the side without sticker upward, Open Device Manager and check the COM port, connect MAX-M8Q, and use auto-baudrate
4. Power the MAX-M8Q module and set it to 3D mode, select File ->Database Export ->Google Map Html to export file
5. Download Test file, upzip and open it by Chrome browser, import the file which is saved from u-center above to check position information.
6. Please refer to the User guide about how to use the u-center.

Using with RaspberryPi

Hardware Connection

PIN	Raspberry Pi(BCM)	Raspberry Pi(WiringPi)	Descruption
5V	-	-	5V Power input
GND	-	-	Ground
RXD	P14	P15	Receiver pin of UART
TXD	P15	P16	Transmit pin of UART
SDA	P2	P8	SDA pin of I2C
SCL	P3	P9	SCL pin of I2C
PPS	P18	P1	PPS pin of module
INT	P27	P2	Wakeup pin, low active

Enable Serial Port

Open the Raspberry Pi Terminal and configure by commands

sudo raspi-config
#Choose Interfacing Options -> Serial -> No -> Yes
#You should disable shell login and enable the hardware serial
sudo reboot

Install libraries and configure

• Install wiringPi

sudo apt-get install wiringpi
wget https://project-downloads.drogon.net/wiringpi-latest.deb
sudo dpkg -i wiringpi-latest.deb
gpio -v

• Install Python libraries

sudo apt-get update
sudo pip install RPi.GPIO
sudo apt-get install python-serial
sudo apt-get install gpsd gpsd-clients python-gps

• Configure gpsd

#Open gpsd file
sudo nano /etc/default/gpsd
#Change the below codes of file and save
USBAUTO="false"
DEVICES="/dev/ttyS0"
GPSD_OPTIONS="/dev/ttyUSB0"

• Download demo codes

mkdir ~/Documents/MAX-XXX_GNSS_HAT_Code
cd ~/Documents/MAX-XXX_GNSS_HAT_Code/
wget https://www.waveshare.com/w/upload/0/0f/MAX-XXX_GNSS_HAT_Code.zip
unzip MAX-XXX_GNSS_HAT_Code.zip

Python Example

Enter the python directory (demo codes), and run the example.

cd ~/Documents/MAX-XXX_GNSS_HAT_Code/RaspberryPi/python/coordinate_converter
sudo python3 main.py

Using STM32 Board

Hardware Connection

GNSS Module	XNUCLEO-F103RB	Description
5V	-	5V Power input
GND	GND	Ground
RXD	P9(TX)	Receive pin of UART
TXD	P10(RX)	Transmit pin of UART

Run the example

Download the demo codes. Open the STM32 project by Keil software, compile and download it to the XNUCLEO-F103RB board, connect UART2 pins to PC and check the information by COM assistance software.

Expcected reslt

1. In cloundy day



2. In rain day

Using with Jetson Nano

• Install Python library

sudo apt-get update
sudo apt-get install python-serial
sudo apt-get install gpsd gpsd-clients python-gps
sudo pip3 install gps3

• Modify gpsd parameters

Open the gpsd file on the terminal

sudo nano /etc/default/gpsd

Modify the following parameters of the gpsd file, then save and exit the file.

USBAUTO="false"
DEVICES="/dev/ttyTHS1"
GPSD_OPTIONS="/dev/ttyUSB0"

+Download the demo

mkdir ~/Documents/MAX-XXX_GNSS_HAT_Code
cd ~/Documents/MAX-XXX_GNSS_HAT_Code/
wget https://www.waveshare.com/w/upload/0/0f/MAX-XXX_GNSS_HAT_Code.zip
unzip MAX-XXX_GNSS_HAT_Code.zip

• Check the port for data

sudo chmod 777 /dev/ttyTHS1
sudo minicom -D /dev/ttyTHS1 -b 9600
sudo cat /dev/ttyTHS1
sudo gpsd /dev/ttyTHS1 -F /var/run/gpsd.sock
sudo cgps -s
sudo killall gpsd
sudo reboot

python

Enter the python directory and run the demo, and you can view the information directly on Google Maps

cd ~/Documents/MAX-XXX_GNSS_HAT_Code/RaspberryPi/python/coordinate_converter
sudo python3 main.py

Documents

• Schematic

Demo codes

• Demo codes

Software

• u-center

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