WeatherStation

An Wemos D1 Mini based wind and temperature station reporting direction, max, min and average wind via MQTT topics

Installation

Needed Arduino Libraries to be included in IDE. Install them either from GitHub repository directly or within the IDE application itself Sketch > Import Library

Library	Link to GitHub
PubSubClient	https://github.com/knolleary/pubsubclient
OneWire
Dallas Temperature

MQTT Topics

MQTT Topics to be published.

Topic	Description
WeatherStation/WindSpeed	set topic - Gust wind speed (m/s) during ReportTimerShort
WeatherStation/WindSpeedAverage	set topic - Average wind speed (m/s) during ReportTimerLong
WeatherStation/MinWindSpeed	set topic - Min gust wind speed (m/s) during ReportTimerShort
WeatherStation/MaxWindSpeed	set topic - Max gust wind speed (m/s) during ReportTimerShort
WeatherStation/WindVane	set topic - Wind direction in degrees 0-360
WeatherStation/WindVaneCompass	set topic - Wind compass direction e.g. N, NE
WeatherStation/Temperature	set topic - Temperature in degrees

Wiring

BOM List

Part	Comment/Link
Wemos D1 mini	https://www.wemos.cc/en/latest/
Anemometer Davis 6410	https://www.davisinstruments.com/product/anemometer-for-vantage-pro2-vantage-pro/
Tempsensor DB18B20
Power Supply HLK-PM03	http://www.hlktech.net/product_detail.php?ProId=59

Features

• Max, min, average wind speed
• Wind direction
• Temperature

References

• http://cactus.io/hookups/weather/anemometer/davis/hookup-arduino-to-davis-anemometer-software