MAX-M8Q GNSS HAT

MAX-M8Q GNSS HAT

GNSS Module, u-blox MAX-M8Q onboard

	Primary Attribute
Category: Modules, GPS/GSM
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Brand: Waveshare

		Website
International: Website
Chinese: 官网

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 and open it by Chrome browser, import the file which is saved with u-center above to check position information.
6. Please refer to the User guide about how to use the u-center.

Use it in 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

Use it in 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.