ASPD-4525 Digital Airspeed Sensor Module with Pitot Tube
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Prices updated: 13 Oct 2026
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About this product
The ASPD-4525 is a digital airspeed sensor module built around the MS4525DO pressure sensor, supplied with a pitot tube and silicone tubing. It reports pressure over I2C with a 4-pin JST-GH connector, and is intended for airspeed measurement in flight controller projects.
Specifications
- Supply voltage
- 4 ~ 5.5 V DC
- Sensor
- MS4525DO
- Output
- I2C (SCL & SDA)
- Pressure range
- 1 PSI (6.89 kPa)
- Maximum pressure
- 20 PSI (137.9 kPa)
- Operating temperature
- -40 °C ~ 125 °C
- Accuracy
- ±0.25% SPAN
- Connector
- JST-GH 4-pin (5V, SCL, SDA, GND)
Frequently asked questions
How do I wire the module to a flight controller?
Connect 5V to the 5V supply (the module accepts 4 to 5.5 V), SCL to the I2C SCL pin, SDA to the I2C SDA pin and G to GND. The 20 cm JST-GH 4-pin cable in the kit can connect directly to a matching connector.
How should the pitot tube be connected?
The kit includes a pitot tube and 40 cm of clear silicone tubing for the pressure connection. Mount the pitot opening facing the airflow, keep the tubing short and free of kinks, and avoid leaks, since they cause errors in the reading.
