Pico: measure wind speed with an anemometer
Wire a cup anemometer's reed switch to a Pico, count pulses with an interrupt, and convert pulse rate to wind speed with the manufacturer's constant.
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#weather
2 tutorials
ESP32: build a weather station that logs to Wi-Fi
A complete weather station: BME280 over I2C, ESP32 web server, deep sleep between readings. Battery-powered, weatherproof case, web dashboard.