Boardoza 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
- Type
- 4-pin 2.50mm header
- Functions
- I2C and UART GNSS Receiver
- Support
- GPS, GLONASS, Galileo, BeiDou Time Pulse (PPS)
- Accuracy
- ±30 ns (typical)
- Operating Temperature
- -40°C to +85
- 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). |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.