Advice for weather station and anemometer sensor connection

Projects General Guidance
1

Hi,

First time here and new to Arduino!!! my only experience is building the projects of the book included to the Arduino Starter Kit.

Now I want to build a weather station. Just the basics in order to anderstant and use more sensors.
I intent to measure, Temperature- Humidity - Pressure - Wind Speed- Rain

I have only use the temperature sensor (the one included to the Arduino starter Kit) and saved the data to an .xls file.

The new sensors are:

  1. BME 280 (Temperature-humidity- Pressure)
  2. Rain Sensor
  3. Anemometer Wind Speed 1733
  4. RHT03 (DHT 22) Temperature- Humidity

Two main questions

1. Could you advice me which is the best choice? I think of using 1,2 and 3 .Less sensors may work better together. Am I rigth?

2. I have found documents of how to connect the sensors 1,2,4. I have not connected them yet. But I think I will be ok. but I have not find anything about how to connect the sensor 3( anemometer). How can I connect that hundreds of bronze wires at the end of the sensor to the arduino pins?

Any help appreciated!

2

Have a look at my weather station here. It may give you some ideas.

That rain sensor will not measure the amount of rain that falls. Only if rain is falling off not. And I suspect it will give a false reading for a long time after the rain has stopped, unless you live in a hot climate. It is meant to be a rain warning device, and not the correct type for a weather station.

The anemometer has 4 wires coming out. What you are seeing is stranded cable, and it is made of copper, not bronze. Most cables are made from many stands of thin copper wire, twisted together. This makes them more flexible and less easy to break. Two of the wires will be for power and ground. The third will be the output voltage and will need to be connected to an Arduino analog pin. I don't know why there is a fourth pin.

The bme280 is a good sensor. You will not need the dht22 as well. The problem with all these types of sensor is how to allow them to measure the environment without being damaged by the environment. For example, in my weather station, the humidity sensor does not work well because damp gets into it and it reads 100% humidity for many days until a hot day dries the sensor out again.

3

I have not used that rain sensor, but thought it should be mounted on a steep angle, with a funnel (soda bottle) to catch the rain.

the water should run off of it quickly.

BME280:

4

Thank you guys!!!!!for all the advice!

I will check your the weather station.. I think I really have work to do!

I ll be back for new questions! :slight_smile: