PX4-Autopilot/docs/en/gps_compass/gps_smartap.md
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Signed-off-by: Ramon Roche <mrpollo@gmail.com>
Co-authored-by: Ramon Roche <mrpollo@gmail.com>
2025-03-13 16:08:27 +11:00

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# Sky-Drones SmartAP GPS
[SmartAP GPS](https://sky-drones.com/navigation/smartap-gnss.html) is a GNSS navigation module with integrated antenna, UBlox Neo-M8N chipset, 3x 3-axis magnetometer (compass), 1x MS-5611 pressure sensor and RGB LED driver.
SmartAP GPS supports concurrent reception of up to 3 GNSS (GPS, Galileo, GLONASS, BeiDou).
![SmartAP GPS](../../assets/hardware/gps/gps_smartap_gps.jpg)
Key features include:
- Concurrent reception of up to 3 GNSS (GPS, Galileo, GLONASS, BeiDou)
- 3x built-in magnetometers: HMC5983, IST8310 and LIS3MDL
- 1x built-in barometer: MS5611
- RGB LED Driver and status LEDs
## Where to Buy
- [Sky-Drones Store](https://sky-drones.com/navigation/smartap-gnss.html)
## Kit Contents
An SmartAP GPS kit includes:
- 1x GPS modules
- 1x 30cm cable
## Configuration
For the aircraft, you should set the parameter [SER_GPS1_BAUD](../advanced_config/parameter_reference.md#SER_GPS1_BAUD) to 115200 8N1 to ensure that PX4 uses the correct baudrate.
## Pinout and Connections
SmartAP GPS has 10 pin JST-GH connector that can be plugged into a Pixhawk flight controller (compliant with Pixhawk connector standard).
| Pin number | Pin name |
| ---------- | ---------- |
| 1 | 5V |
| 2 | USART1_RX |
| 3 | USART1_TX |
| 4 | I2C1_SCL |
| 5 | I2C1_SDA |
| 6 | SAFETY_BTN |
| 7 | SAFETY_LED |
| 8 | +3V3 |
| 9 | BUZZER |
| 10 | GND |
## Specification
- U-blox M8N GPS Receiver
- IST8310 Magnetometer
- HMC5983 Magnetometer
- LIS3MDL Magnetometer
- MS5611 Pressure sensor
- RGB LEDs for status indication
- NCP5623 I2C Driver
- Diameter: 75mm
- Weight: 34g
## Further Information
- [Buy SmartAP GPS](https://sky-drones.com/navigation/smartap-gnss.html)
- [Documentation](https://docs.sky-drones.com/avionics/smartap-gnss)
- [CAD Models](https://docs.sky-drones.com/avionics/smartap-gnss/cad-model)