Description
iFlight M8Q-5883 V2.0 GPS with compass
The iFlight M8Q-5883 GPS is a small module for FPV drones with the SAM-M8Q chip and a built-in QMC5883L compass. It lets you use Betaflight’s GPS Rescue so the drone flies home if you lose signal, and see speed, distance and position on the OSD.
It has a high-sensitivity 15 × 15 mm ceramic antenna, an extra LNA amplifier and a capacitor that keeps data so a hot start takes under 2 s. It updates at 10 Hz and weighs just 8 g.
iFlight M8Q GPS specifications
- GPS chip: SAM-M8Q, 72 channels
- Compass: QMC5883L
- Update rate: 10 Hz
- Cold start: under 29 s; hot start: under 2 s
- Horizontal accuracy: under 2.5 m on average
- Power: 3.3 to 5 V, 25 mA
- Size: 20 × 20 × 10.5 mm
- Weight: 8 g
- Contents: GPS and 4-pin SH1.0 silicone lead
How to wire it
The GPS goes to a free UART on the flight controller, with TX and RX crossed, and the compass to the SDA and SCL pads. In Betaflight enable GPS on that port; the default baud rate is 9600. Mount it on top, away from the video and power wires, so it locks satellites quickly and the compass is not thrown off.
Frequently asked questions about the iFlight M8Q GPS
Does it work with Betaflight GPS Rescue?
Yes, that is one of its main uses, along with showing position and speed on the OSD.
Do I need to connect the compass?
Not for Betaflight; it is useful with INAV and other navigation firmwares.
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