marcodm62
October 16, 2024, 10:41pm
1
I have an anemometer that closes an account every turn. Now how do I set it up so that it gets knots out of me?
Hello,
I have the Eltako WS anemometer connected to my esphome to measure the outside wind speed. I’m using the formula on this website to calculate the wind speed:
v [km/h] = 1.761 / (1 + rps) + 3.013 * rps
What I’m not sure is if I’m calculating correctly the RPS from the pulse counter. The wind sensor returns 4 pulse for a full spin and I want to get “a live” measure so I can control my awnings when the wind is too strong. I’m converting the pulses per minute to rps like this:
pulses / 4*…
You may also want to take a look at the DIY Rain Guage thread for some ideas on converting “on/off” cycles to rates. You will need to find out how much distance a cycle represents.
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