Boardoza Ublox Sam M8Q GNSS Module Breakout Board

Ublox Sam M8Q GNSS Module for GPS, GLONASS, and Galileo Navigation Breakout Board.

UBLOX SAM M8Q GNSS Module Breakout Board

The Boardoza SAM-M8Q GNSS Breakout Module is a high-performance multi-GNSS receiver designed for precise positioning applications. It integrates the u-blox SAM-M8Q module, which supports GPS, GLONASS, and Galileo satellite constellations for improved accuracy and reliability.

This module operates with 3.3V or 5V, making it compatible with a wide range of microcontrollers. It communicates with an MCU via I²C and UART interfaces, providing flexible integration for various applications, including navigation systems, asset tracking, drones, and IoT-based geolocation solutions.

The PPS, RST, INT, and SAFE pins operate at 3.3V, ensuring seamless interfacing with low-power microcontrollers.

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Key Features

Multi-GNSS Support: Compatible with GPS, GLONASS, and Galileo for enhanced positioning accuracy.
Flexible Power Compatibility: Operates with 3.3V or 5V, making it suitable for a variety of MCUs.
Dual Communication Interfaces: Supports both I²C and UART for versatile connectivity.
Time Pulse Output (PPS): Provides precise timing synchronization at 1 pulse per second (default).
Low Power Consumption: Ideal for battery-operated applications such as wearables and IoT tracking devices.
Industrial-Grade Performance: Works reliably in extreme environments with a temperature range of -40°C to +85°C.
Future-Proof Design: Includes a SAFEBOOT_N function pin for firmware updates and configuration changes.

Technical Specifications

Model: u-blox SAM-M8Q
Input Voltage: 3.3V - 5.5V
Voltage Input Type: 4-pin 2.50mm header
Functions: I²C and UART GNSS Receiver
Satellite Support: GPS, GLONASS, Galileo, BeiDou
Time Pulse (PPS) Accuracy: ±30 ns (typical)
Operating Temperature: -40°C to +85°C
Board Dimensions: 40mm x 40mm

Board Pinout

( J1 ) UART Communication Pins

Pin Number	Pin Name	Description
1	GND	Ground
2	TXD	Transmitted Data Pin
3	RXD	Received Data Pin
4	VCC	Power Supply (3.3V - 5.5V)

( J2 ) I²C Communication Pins

Pin Number	Pin Name	Description
1	GND	Ground
2	SDA	I²C Serial Data Pin
3	SCL	I²C Serial Clock Pin
4	VCC	Power Supply (3.3V - 5.5V)

( J3 ) Additional Function Pins

Pin Number	Pin Name	Description
1	PPS	Time pulse signal (default: 1 pulse per second). See the u-blox M8 protocol specification for details.
2	RST	Active LOW reset pin. Internally pulled up to VCC.
3	INT	Used for time or frequency aiding data input to the receiver.
4	SAFE	SAFEBOOT_N function pin for firmware updates and reconfiguration (Reserved).