PX4 digital airspeed sensor

Archive
1

Where can I purchase the PX4 digital airspeed sensor? The old analog sensor is the only one that I have found. pixhawk.ethz.ch/px4/modules/px4airspeed

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2

Is it identical / compatible with the EagleTree Systems I2C Airspeed sensor.?
(I think I read somewhere around that ET digital sensor is supported by PX4.)

Tom

3

I would like to order a PixHawk and digital sensor at the same time – I just wanted to know when I would be able to order?