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Post by brooke on May 18, 2023 0:02:38 GMT -8
I'm finally putting together my weather station so I've been combing over the documentation for the PiWeather board (I hope this is the right forums). I am using the Sparkfun Weather Meter Kit. One thing that isn't clear is if the J5 (Grove Digital Anemometer) also has an analog pin for the Wind Direction. On the documentation shows Pins 2 and 3 as NC where I would expect one of those to be an analog pin.
This analog pin is documented for the WeatherRack Interface board. I know they are different boards but they do appear to be very similar.
Further down it says the Wind Vane is: The Grove connector isn't mentioned here, but to be fair it's also not mentioned for the Anemometer so I'm trying not to give too much weight to that.
I guess my question is, if there's an analog signal on the Grove on either Pin 2 or Pin 3 or if I'll need to plug the Wind Vane into JP2. I know I could just plug it in and try, but figured asking would be safer and could save a bit of frustration
I should also note I'm using the Adafruit RP2040 LoRa board with Arduino code as my computer.
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Post by SDL on May 19, 2023 16:09:46 GMT -8
Sounds like you are looking at the wrong plug. I am posting the schematic below so you can check it out. BP PiWeather.pdf (45.7 KB) PiWeather2.pdf (39.16 KB)
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Post by brooke on May 19, 2023 17:59:29 GMT -8
Thanks for the reply, that does clarify some things and confirms that the Wind Vane is not connected to a Grove connector.
I see it connected to Weather Out (JP3) and ADC-1 (JP1). Am I missing something. I guess the short version of my question is if I nee connect connect a header to JP3 or if I can get the wind data via another method such as a Grove connector?
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Post by SDL on May 21, 2023 9:38:19 GMT -8
No, the wind vane is an analog value and has to run through the ADC. Check out the drivers for the board on GitHub.com/switchdoclabs. You read the ADC to get the wind direction.
BP
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