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FlyingRC I2C Digital Airspeed Meter
The latest integrated I2C airspeed sensor for fixed-wing aircraft using ArduPilot airspeed workflows.

Key features
- MS4525D-compatible digital sensor with an integrated pitot tube.
- Factory-calibrated for zero drift before shipment.
- Includes a silicone connector lead and plastic mounting screws.
Setup / wiring notes
- For ArduPilot, set ARSPD_TYPE = 1 and follow the manual's calibration sequence after a successful basic flight test.
- Keep ARSPD_AUTOCAL enabled only for the calibration flight, then disable it for normal operation.
Check before use
- This is the current model; the earlier pitotless airspeed meter is retained as EOL reference material.
Key specs
- MS4525D-compatible digital airspeed sensor with I2C interface
- 25 x 15 x 5 mm; 2.8 g
- 512 Hz sampling and 8 Hz refresh rate
- 0.5 Pa RMS pressure measurement accuracy with temperature compensation