Matek ASPD-4525 Digital Airspeed Sensor with Pitot Tube

Manufacturer Code: ASPD-4525
Board Supply Voltage: 4-5.5V DC
Sensor: TE 4525DO-DS5AI001DP
Working Current: 5mA
Output: I2C (SCL and SDA)
Pressure Range: 1 PSI (6.89kPa)
Maximum Pressure: 20 PSI (137.9kPa)
Operating Temperature: -40 to 125 deg C
Accuracy: +/-0.25% span
Power Indicator: Red LED
JST-GH Sequence: 5V, SCL, SDA, GND
Mounting: 15mm, M2.5
Board Size: 20 x 20mm
Weight: 3.5g (sensor board)

Wiring:
5V to FC 4-5.5V
SCL to FC I2C_SCL
SDA to FC I2C_SDA
G to FC GND

Includes:
1 x ASPD-4525 sensor board
1 x JST-GH-4P to JST-GH-4P 20cm silicone wire
1 x pitot tube
1 x clear silicone tubing, 40cm

To check the reading, blow on the pitot tube or press your finger over it and watch the response in Mission Planner or INAV configurator.
In still air, mostly 0-2 m/s with an occasional bounce to 3-4 m/s is normal. You will not see that sort of variability at flying speeds.

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