Ultrasonic anemometers have no moving parts but come at the cost of significantly more electronic complexity. They work by measuring the time it takes for an ultrasonic audio pulse to be reflected the receiver across a known distance.
Other sensors include an optical rain sensor, light sensor, lighting sensor, and a BME280 for air pressure, humidity, and temperature. [Jianjia] plans to use the QingStation on an autonomous boat, so he also included an IMU, compass, GPS, and a microphone for environmental sounds.
All the hardware and software are open-source and available on GitHub.
See Open Source Ultrasonic Anemometer
#technology #opensource #weatherstation #anemometer #windspeed
Weather stations are a popular project for experimenting with various environmental sensors, and for wind speed and direction the choice is usually a simple cup anemometer and wind vane. For [Jianj…
source https://gadgeteer.co.za/open-source-ultrasonic-anemometer-no-moving-parts
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